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, -5, 83, 44, 8959130, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", "V")
   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(), 32, 7, 117, 56, 8959130, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", "t")
   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, -14, 147, 51, 8959130, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", "m")
   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(), 21, 10, 180, 57, 8959130, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", "G")
   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, -6, 202, 49, 8959130, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", "8")
   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(), 30, 8, 238, 55, 8959130, "/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: 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��
�+	dIDATx��?hWWǯ$�����H ����"�� R�*]�!��Pj2d$��b�� �	1��t����"~��~��}��9��s��L����=��}����{�}�����7O�?z���^�����
�G	c���7/���/�/�ɍ���(���������!냥�oA)p��e����XVBpӛ'v.Q_�V����/P_:��\x�S����G4�J�o=�X�ʙ�ٸˡg��a��m
��N�@#q%��G�y{B�
|���%4�{c���n�0
צ�^�6k:��5�qq��-y��7c��<�{2DE�����W�ϯ��|w�D�ZI�����������ߎ	�w�./�O=P�fO�5�ޱxd~9����˖e<3�%fB�o��g�)�m�h@�Q�t���{Po�{���͓ ���*Л.]�JX�3p�����ϟ����ٟ�����s~��敐OGOA�l{I�G��Q?J���ӛ���@#q%)��z����3Ó+{W�?E����dO����#c�*pHQ�Ȧy����H�?Q�J�
�]*G�����!�赱��ޒ|4-�Bh�3��"��bp:(�I�.aN?h,+a�]S#=�|Q�!�2�Q`d��A��yQ���Z�����Ͻ�0{BmC��WM[�<jb�/\\���c��0"\��&<�f-�e����F^�����&��M�~%v�P�<�/�3T`�R��"�e�F�ZK_�t9�[��{�����
-���p�	��b��ʌO+a���hT`�Z���K�@�"*��-	�+a~~�ʐ�9I�U�fP
����X��vZ;K�$�	�ո)p�:Xo���e����r�"�s�1(m�#��&�{�9mqfy�3�Z:��;��ϕ/�7�	̹6%��5Ƭ�\��C,�CŌ6��q/N�C���cr��vywR����R`�X}#���(,҄i�8R?~�rz�
Ώm�P�[(�)ְ����ѲB���3l�m91,�c��Ե�N��*�F�m��,��̮R&]8���P�Mfs�gX8T ��>���VnM'B�4:���J^�g�QW�6��̄���K�"Li^h���
ޗ��H�]�}��Exk`�/��1R.%
E񇉹��
)[ԬE.)h1pb*B�S�0�	�~�M�@�
�����wf%�X�,CGu0+
*���JX��ƅlHv����
-��ڈc�7E�McZt�'Aa�����������K��a}{��=��^��X
��6�ϭU��-�}j�W��]��4S>Z�P�h�<f"�;ب��E1�2���+�E�EX�<#�_���2Ơ�m�,�cw���i*.*�p4!@��:�!�僇�V�L��P �
�v�*�yҞ���)������ �<����{���G�ɲN���I
�����b��
Dn�[�+��M�ss�=k��'�N�煒��0~�o��Q��c��syg�l-�����FE"���0;x��oj�c��E�J�(9!r%T�]�����c
��durUl���K���D�^���>X�y�j�׍��
T�jnG�)x��X�����fTL>
��k����G���J��)����N�V”
D�!VC%��!f��E8���������O|�˹a��G�K
��41���r�:ۣ�G
U����_*R��?���9H[�qE�	"����&�"F���#"4h��(9�s���_�
�rz����J�=/�`��29�FQ�3:;��l�@���t�z)���6"B�j{�F�2�o}�akINB�DN�;3<;J�}R�?%'«+��_Y
�Y��ݢ�C8v�e���jS���g���+0�#+H�Q�s�K�]L��c&-�(�M����Պ�7�B��ì��ޣ���������WB)��
U��%k����m�xm����M��')���w����悻'R	gml���{�$fD(��1��L�Uh	;�J8�@�]�������LR����5QX�	;�����:�E�1�&)���K[��1jN�
��*�+��J��Q4�l��t�y�P��Ln�p��Ώ6��01�+д|`2D��͐{Wf޼p��1�ц%e�����C�՝�'�����qC��D@G�3��-�ʺ�a�=�+P�EcH����fJc�<}�c���ɍ���w�w=
+�L�	>M^��ޕ�ưT�D�P���{��9,�v|N
Φ�.Q��p|GO���L�Z	��.��9��i{��\|���*��u&�^	%8:��D���j~L����`%��P+��PO V|�*吧�p
�,�
G9������Z��!�N@M;�S7�������Y���U8jAVK�BN�����{�K��IEND�B`�