ojs2 has produced an error
  Message: WARNING: imagefttext(): Could not find/open font
  In file: /home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php
  At line: 98
  Stacktrace: 
   File: (unknown) line (unknown)
     Function: PKPApplication->errorHandler(2, "imagefttext(): Could not find/open font", "/home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php", 98, Array(11))
   File: /home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php line 98
     Function: imagefttext(Resource(), 20, -11, 47, 59, 8751568, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", "A")
   File: /home/ojs2/ojs2/pages/user/UserHandler.inc.php line 487
     Function: CaptchaManager->generateImage(Object(Captcha))
   File: (unknown) line (unknown)
     Function: UserHandler->viewCaptcha(Array(1), Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPRouter.inc.php line 362
     Function: call_user_func(Array(2), Array(1), Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPPageRouter.inc.php line 220
     Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), False)
   File: /home/ojs2/ojs2/lib/pkp/classes/core/Dispatcher.inc.php line 134
     Function: PKPPageRouter->route(Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPApplication.inc.php line 178
     Function: Dispatcher->dispatch(Object(Request))
   File: /home/ojs2/ojs2/index.php line 64
     Function: PKPApplication->execute()
  Server info:
   OS: Linux
   PHP Version: 5.6.40-82+0~20250703.100+debian12~1.gbp3f56ba
   Apache Version: N/A
   DB Driver: mysql
   DB server version: 10.11.11-MariaDB-0+deb12u1<br/>
ojs2 has produced an error
  Message: WARNING: imagefttext(): Could not find/open font
  In file: /home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php
  At line: 98
  Stacktrace: 
   File: (unknown) line (unknown)
     Function: PKPApplication->errorHandler(2, "imagefttext(): Could not find/open font", "/home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php", 98, Array(11))
   File: /home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php line 98
     Function: imagefttext(Resource(), 33, 6, 66, 45, 8751568, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", "9")
   File: /home/ojs2/ojs2/pages/user/UserHandler.inc.php line 487
     Function: CaptchaManager->generateImage(Object(Captcha))
   File: (unknown) line (unknown)
     Function: UserHandler->viewCaptcha(Array(1), Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPRouter.inc.php line 362
     Function: call_user_func(Array(2), Array(1), Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPPageRouter.inc.php line 220
     Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), False)
   File: /home/ojs2/ojs2/lib/pkp/classes/core/Dispatcher.inc.php line 134
     Function: PKPPageRouter->route(Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPApplication.inc.php line 178
     Function: Dispatcher->dispatch(Object(Request))
   File: /home/ojs2/ojs2/index.php line 64
     Function: PKPApplication->execute()
  Server info:
   OS: Linux
   PHP Version: 5.6.40-82+0~20250703.100+debian12~1.gbp3f56ba
   Apache Version: N/A
   DB Driver: mysql
   DB server version: 10.11.11-MariaDB-0+deb12u1<br/>
ojs2 has produced an error
  Message: WARNING: imagefttext(): Could not find/open font
  In file: /home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php
  At line: 98
  Stacktrace: 
   File: (unknown) line (unknown)
     Function: PKPApplication->errorHandler(2, "imagefttext(): Could not find/open font", "/home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php", 98, Array(11))
   File: /home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php line 98
     Function: imagefttext(Resource(), 28, -12, 99, 58, 8751568, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", "L")
   File: /home/ojs2/ojs2/pages/user/UserHandler.inc.php line 487
     Function: CaptchaManager->generateImage(Object(Captcha))
   File: (unknown) line (unknown)
     Function: UserHandler->viewCaptcha(Array(1), Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPRouter.inc.php line 362
     Function: call_user_func(Array(2), Array(1), Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPPageRouter.inc.php line 220
     Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), False)
   File: /home/ojs2/ojs2/lib/pkp/classes/core/Dispatcher.inc.php line 134
     Function: PKPPageRouter->route(Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPApplication.inc.php line 178
     Function: Dispatcher->dispatch(Object(Request))
   File: /home/ojs2/ojs2/index.php line 64
     Function: PKPApplication->execute()
  Server info:
   OS: Linux
   PHP Version: 5.6.40-82+0~20250703.100+debian12~1.gbp3f56ba
   Apache Version: N/A
   DB Driver: mysql
   DB server version: 10.11.11-MariaDB-0+deb12u1<br/>
ojs2 has produced an error
  Message: WARNING: imagefttext(): Could not find/open font
  In file: /home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php
  At line: 98
  Stacktrace: 
   File: (unknown) line (unknown)
     Function: PKPApplication->errorHandler(2, "imagefttext(): Could not find/open font", "/home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php", 98, Array(11))
   File: /home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php line 98
     Function: imagefttext(Resource(), 24, 4, 121, 46, 8751568, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", "S")
   File: /home/ojs2/ojs2/pages/user/UserHandler.inc.php line 487
     Function: CaptchaManager->generateImage(Object(Captcha))
   File: (unknown) line (unknown)
     Function: UserHandler->viewCaptcha(Array(1), Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPRouter.inc.php line 362
     Function: call_user_func(Array(2), Array(1), Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPPageRouter.inc.php line 220
     Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), False)
   File: /home/ojs2/ojs2/lib/pkp/classes/core/Dispatcher.inc.php line 134
     Function: PKPPageRouter->route(Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPApplication.inc.php line 178
     Function: Dispatcher->dispatch(Object(Request))
   File: /home/ojs2/ojs2/index.php line 64
     Function: PKPApplication->execute()
  Server info:
   OS: Linux
   PHP Version: 5.6.40-82+0~20250703.100+debian12~1.gbp3f56ba
   Apache Version: N/A
   DB Driver: mysql
   DB server version: 10.11.11-MariaDB-0+deb12u1<br/>
ojs2 has produced an error
  Message: WARNING: imagefttext(): Could not find/open font
  In file: /home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php
  At line: 98
  Stacktrace: 
   File: (unknown) line (unknown)
     Function: PKPApplication->errorHandler(2, "imagefttext(): Could not find/open font", "/home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php", 98, Array(11))
   File: /home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php line 98
     Function: imagefttext(Resource(), 29, 3, 145, 43, 8751568, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", "2")
   File: /home/ojs2/ojs2/pages/user/UserHandler.inc.php line 487
     Function: CaptchaManager->generateImage(Object(Captcha))
   File: (unknown) line (unknown)
     Function: UserHandler->viewCaptcha(Array(1), Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPRouter.inc.php line 362
     Function: call_user_func(Array(2), Array(1), Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPPageRouter.inc.php line 220
     Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), False)
   File: /home/ojs2/ojs2/lib/pkp/classes/core/Dispatcher.inc.php line 134
     Function: PKPPageRouter->route(Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPApplication.inc.php line 178
     Function: Dispatcher->dispatch(Object(Request))
   File: /home/ojs2/ojs2/index.php line 64
     Function: PKPApplication->execute()
  Server info:
   OS: Linux
   PHP Version: 5.6.40-82+0~20250703.100+debian12~1.gbp3f56ba
   Apache Version: N/A
   DB Driver: mysql
   DB server version: 10.11.11-MariaDB-0+deb12u1<br/>
ojs2 has produced an error
  Message: WARNING: imagefttext(): Could not find/open font
  In file: /home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php
  At line: 98
  Stacktrace: 
   File: (unknown) line (unknown)
     Function: PKPApplication->errorHandler(2, "imagefttext(): Could not find/open font", "/home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php", 98, Array(11))
   File: /home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php line 98
     Function: imagefttext(Resource(), 23, 13, 171, 46, 8751568, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", "a")
   File: /home/ojs2/ojs2/pages/user/UserHandler.inc.php line 487
     Function: CaptchaManager->generateImage(Object(Captcha))
   File: (unknown) line (unknown)
     Function: UserHandler->viewCaptcha(Array(1), Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPRouter.inc.php line 362
     Function: call_user_func(Array(2), Array(1), Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPPageRouter.inc.php line 220
     Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), False)
   File: /home/ojs2/ojs2/lib/pkp/classes/core/Dispatcher.inc.php line 134
     Function: PKPPageRouter->route(Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPApplication.inc.php line 178
     Function: Dispatcher->dispatch(Object(Request))
   File: /home/ojs2/ojs2/index.php line 64
     Function: PKPApplication->execute()
  Server info:
   OS: Linux
   PHP Version: 5.6.40-82+0~20250703.100+debian12~1.gbp3f56ba
   Apache Version: N/A
   DB Driver: mysql
   DB server version: 10.11.11-MariaDB-0+deb12u1<br/>
ojs2 has produced an error
  Message: WARNING: Cannot modify header information - headers already sent by (output started at /home/ojs2/ojs2/lib/pkp/classes/core/PKPApplication.inc.php:381)
  In file: /home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php
  At line: 113
  Stacktrace: 
   File: (unknown) line (unknown)
     Function: PKPApplication->errorHandler(2, "Cannot modify header information - headers already sent by (output started at /home/ojs2/ojs2/lib/pkp/classes/core/PKPApplication.inc.php:381)", "/home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php", 113, Array(13))
   File: /home/ojs2/ojs2/lib/pkp/classes/captcha/CaptchaManager.inc.php line 113
     Function: header("Content-type: image/png")
   File: /home/ojs2/ojs2/pages/user/UserHandler.inc.php line 487
     Function: CaptchaManager->generateImage(Object(Captcha))
   File: (unknown) line (unknown)
     Function: UserHandler->viewCaptcha(Array(1), Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPRouter.inc.php line 362
     Function: call_user_func(Array(2), Array(1), Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPPageRouter.inc.php line 220
     Function: PKPRouter->_authorizeInitializeAndCallRequest(Array(2), Object(Request), Array(1), False)
   File: /home/ojs2/ojs2/lib/pkp/classes/core/Dispatcher.inc.php line 134
     Function: PKPPageRouter->route(Object(Request))
   File: /home/ojs2/ojs2/lib/pkp/classes/core/PKPApplication.inc.php line 178
     Function: Dispatcher->dispatch(Object(Request))
   File: /home/ojs2/ojs2/index.php line 64
     Function: PKPApplication->execute()
  Server info:
   OS: Linux
   PHP Version: 5.6.40-82+0~20250703.100+debian12~1.gbp3f56ba
   Apache Version: N/A
   DB Driver: mysql
   DB server version: 10.11.11-MariaDB-0+deb12u1<br/>
�PNG


IHDR
,d�c��	pHYs��
�+	�IDATx��?hWWǯ�T"
2��Z~J!S�4�dh����Up�PAHA��������R0\Z(B\"16di�)"�nNnJ�Pq�����߻��;�{�}�3)��^~��������'Ｅ��겺z;�_<y��_�G|�˜��ݟy��)�P�c4������N?�.�{�u���<��u��q|w��/!�xu�b��H9x��
��e߻yx��>Z^��|����_4jݜ<��ơ���Ǜ_�~
�����?���)�;��Xa#�3h8���5�����E6OL�H��ݙ��W����!z}���f'�ٝ��㽴O#t��ީ��_V>��כ3!�O����^��H'U���_�&��a�&��G�@U�w4�a'�?��֛�cz0|_
�
�E��9nde�g�!�~r���{��c�������j�x��o.?6��/l=k�L����p���Go�~
�vw����v�"!"TJ����%J�h��ώǻ��LQ�+�Y)4`�3Y��
^;�Gw��>)�wa��מ���)���	��l.x���Ҭ��l&2$|�B�I�d�l��p}v���h�C��j\�vBQ���H��*7Q��8!")CCr��_0kw�I:��w�	T�N�f��kYs�ԟ�V�	�[��ut"�0ԅ���|Pϴ�Fe[:�͟<
���n+�<����2�t�����F����j ����
D�YY+DG���:&>X�^�u�R�wt4&y�b::�(�`�w|��h
6��=�b�x=M��������b����X-CR��yn�f_����ϱgC��z�+0	p��lF�#�\��~J{�2�&$�_-�x�η�..��6~���1�������P��ty4�%X��aB��98]p/2P �N�#>�Ho)�N���M߭��$7��*�cxJ�0G��aF�M
s��
,�m����#��3!"��n�~���p�sJ�%.�B���D��N��?e��r���a�J���@"O��dK�
`aۑ�'m����0��z�EXL=� $'����V�gV��-�}��ʉ
���S�������>��_�Q��zG9(P��W�&*,!���	���D��Z�jo���#��0Lx�6�	Jo���x�V��Ʉ�,���(��@Bw(��7G�E`��iߊ�]¸�	�3�2J)��d��;Z+
hц��Hޢ��wT�I�
n��HD�iX<����é�B`��P��L��!G�B>�d)„��Q�04�i*ע�>c
�)��4��S��ˢ��Sټ4�kQW�1����3�ˡ=~��eՁ�}��ޜ�$C)h�8Q���F3���o(�3a����|��@�蘗Q�!%��-is�t��wM��O��.�Ǒ8�"�-�,�ܛx�: �	��꓉�wʜ���ً�+/h?i;-gB!W��:�{&d��\���hpC
T�Eh������v<����A�">ߝE�Q�Z��k������$����5����1=�#�mΙ��ļ�Y�
�p�3�DXm�Y;I�l�7C�2�Ί���.�-
X��B �)�Ÿ+�a�1����v����MCNF6"��Кm������t�f�2�?��
�_�6G���yb2�~������N�@n@��1��LX�E��
1QBzT�o��y��X9���hz2k�� ����yvV!ibf�F
b'!��tḴo��IC�a
�\E3��<�K�al��p��5����ѵ���g�܂�����fE>?v
�u�j�F��N�X_r9
��za����'/'�����x����8Z�M�X9���3�*b}��#���$����!%�	0���u��/l��~-�X-���C�U.8.ᾧ�X�Z��P��H�˗b',;�L�P�	�*0��U/̝���<�"�!�4�d������kr��.L�3�1G%I_�X�;�޻�����T��k[��'����T,k^)�K�d���U���h���-���h��?�y���[�?RJ���J��.؅�ƕ���XA�6��x���lQ,�MڇKaG*3׭A��̹����+�X��B͐:�+���-WG��^{d�wJ��6O
C�@�W���! ���gQvy
TƤHҏ{.
$+�a�v'�Ĥ�N`���E�ma7m��)c������"�p�2����;�3mB-��'-
_��.��k|SƼ{���@stgw&8SN)�>;.�������	]t��jf��r�'0�D�^���V��>/��%�a��в�b��m��{�x=�O�]�P�7Gq�m	4�9]�'��Ʒ�NlR���8>8;
̑�B)����?�79̩f��w�[
�}�A�E�X��Ӄ9�	\�+��
.��5n���
��S"�'>%&�6�����A 3�3V��j���vB�m];� R�՞ov��'=p�H�v���N(p�.��	�iDX��1�Dz�<�A��=d��*��l\v�g�IZ��C��\
����rIEND�B`�