I am hosting ojs in ipage host , every time I am trying to activate the bootstrap theme.I am facing a problem this error , " The form was not saved because 1 error(s) were encountered. Please correct these errors and try again."
my error logs " 20201108T234220: jmhss-international.tech/index.php//api/v1/contexts
PHP Notice: unserialize(): Error at offset 306 of 1043 bytes in /hermes/bosnaweb19a/b2949/ipg.mhdalikabiri86342/journal/lib/pkp/classes/db/DAO.inc.php on line 357
PHP Warning: mkdir(): File exists in /hermes/bosnaweb19a/b2949/ipg.mhdalikabiri86342/journal/lib/pkp/classes/file/FileManager.inc.php on line 311
PHP Warning: mkdir(): File exists in /hermes/bosnaweb19a/b2949/ipg.mhdalikabiri86342/journal/lib/pkp/classes/file/FileManager.inc.php on line 311
PHP Warning: mkdir(): File exists in /hermes/bosnaweb
20201108T234432: jmhss-international.tech/index.php//api/v1/site/theme
PHP Warning: Use of undefined constant VALIDATE_ACTION_EDIT - assumed ‘VALIDATE_ACTION_EDIT’ (this will throw an Error in a future version of PHP) in /hermes/bosnaweb19a/b2949/ipg.mhdalikabiri86342/journal/lib/pkp/classes/services/PKPSiteService.inc.php on line 97
PHP Warning: Use of undefined constant VALIDATE_ACTION_ADD - assumed ‘VALIDATE_ACTION_ADD’ (this will throw an Error in a future version of PHP) in /hermes/bosnaweb19a/b2949/ipg.mhdalikabiri86342/journal/lib/pkp/classes/validation/ValidatorFacto "