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(), 27, 10, 99, 42, 16625573, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", "u") 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
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(), 31, -11, 127, 54, 16625573, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", "w") 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
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, 1, 151, 44, 16625573, "/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
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(), 22, 3, 175, 42, 16625573, "/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
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, 11, 198, 51, 16625573, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", "x") 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
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(), 34, 14, 215, 59, 16625573, "/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
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
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