Hello, 
I have a message "lost connexion, try to reconnect" during clicking staff in Agenda.
I had this bug on other pages as well when I'm using 'Cédric' user.
With 'Admin' everything works well.

2024-02-29 07:26:36.994 ===== TRACE ===== NEW CONNECTED USER 'admin'
2024-02-29 07:34:32.798 ===== TRACE ===== DISCONNECTED USER 'admin'
2024-02-29 07:34:35.641 ===== TRACE ===== NEW CONNECTED USER 'Cédric Peter'
2024-02-29 07:44:36.106 ** ERROR ** [V11.1.4] HACK ================================================================
2024-02-29 07:44:36.106 ** ERROR ** [V11.1.4] Try to hack detected
2024-02-29 07:44:36.106 ** ERROR ** [V11.1.4] Source Code = invalid alpanumeric string value - displayByStatusList_Diary
2024-02-29 07:44:36.107 ** ERROR ** [V11.1.4] QUERY_STRING = idData=displayByStatusList_Diary&value=block&saveUserParam=true&csrfToken=
2024-02-29 07:44:36.111 ** ERROR ** [V11.1.4] REMOTE_ADDR = ::1
2024-02-29 07:44:36.111 ** ERROR ** [V11.1.4] SCRIPT_FILENAME = C:/xampp/htdocs/projeqtor/tool/saveDataToSession.php
2024-02-29 07:44:36.111 ** ERROR ** [V11.1.4] CONNECTED USER = #3 - Cédric Peter
2024-02-29 07:44:36.111 ** ERROR ** [V11.1.4] === Trace Stack for last error ===
2024-02-29 07:44:36.111 ** ERROR ** [V11.1.4] => C:xampphtdocsprojeqtortoolprojeqtor.php at line 1694 calling debugPrintTraceStack()
2024-02-29 07:44:36.112 ** ERROR ** [V11.1.4] => C:xampphtdocsprojeqtormodelSecurity.php at line 166 calling traceHack()
2024-02-29 07:44:36.112 ** ERROR ** [V11.1.4] => C:xampphtdocsprojeqtortoolsaveDataToSession.php at line 39 calling Security:checkValidAlphanumeric()
2024-02-29 07:44:36.112 ** ERROR ** [V11.1.4] ===
2024-02-29 07:44:36.112 ** ERROR ** [V11.1.4] REQUEST_URI = /projeqtor/tool/saveDataToSession.php?idData=displayByStatusList_Diary&value=block&saveUserParam=true&csrfToken=
2024-02-29 07:44:45.864 ===== TRACE ===== NEW CONNECTED USER 'Cédric Peter'

Then I changed the name's user by 'Cedric', removing the letter 'é'.
I still have an error:

2024-02-29 07:58:39.081 ** ERROR ** [V11.1.4] HACK ================================================================
2024-02-29 07:58:39.082 ** ERROR ** [V11.1.4] Try to hack detected
2024-02-29 07:58:39.082 ** ERROR ** [V11.1.4] Source Code = invalid alpanumeric string value - displayByStatusList_Diary
2024-02-29 07:58:39.082 ** ERROR ** [V11.1.4] QUERY_STRING = idData=displayByStatusList_Diary&value=block&saveUserParam=true&csrfToken=
2024-02-29 07:58:39.082 ** ERROR ** [V11.1.4] REMOTE_ADDR = ::1
2024-02-29 07:58:39.082 ** ERROR ** [V11.1.4] SCRIPT_FILENAME = C:/xampp/htdocs/projeqtor/tool/saveDataToSession.php
2024-02-29 07:58:39.082 ** ERROR ** [V11.1.4] CONNECTED USER = #3 - Cedric Peter
2024-02-29 07:58:39.082 ** ERROR ** [V11.1.4] === Trace Stack for last error ===
2024-02-29 07:58:39.082 ** ERROR ** [V11.1.4] => C:xampphtdocsprojeqtortoolprojeqtor.php at line 1694 calling debugPrintTraceStack()
2024-02-29 07:58:39.082 ** ERROR ** [V11.1.4] => C:xampphtdocsprojeqtormodelSecurity.php at line 166 calling traceHack()
2024-02-29 07:58:39.082 ** ERROR ** [V11.1.4] => C:xampphtdocsprojeqtortoolsaveDataToSession.php at line 39 calling Security:checkValidAlphanumeric()
2024-02-29 07:58:39.082 ** ERROR ** [V11.1.4] ===
2024-02-29 07:58:39.082 ** ERROR ** [V11.1.4] REQUEST_URI = /projeqtor/tool/saveDataToSession.php?idData=displayByStatusList_Diary&value=block&saveUserParam=true&csrfToken=
2024-02-29 07:58:55.304 ===== TRACE ===== NEW CONNECTED USER 'Cedric Peter'