Error message in Apache2 error.log Class "isys_document_dao" not found (Version 25)

Problem

After updating to i-doit pro 25, the i-doit pro API add-on was not updated.
Error message:

AH01071: Got error 'PHP message: 
PHP Fatal error: Uncaught Error: 
Class "isys_document_dao" not found in /var/www/html/main/src/classes/modules/document/isys_module_document.class.php:243\n
Stack trace:\n#0 /var/www/html/main/src/classes/modules/register/isys_module_register.class.php(171): isys_module_document->init()\n
#1 /var/www/html/main/src/classes/modules/manager/isys_module_manager.class.php(911): isys_module_register->make_object()\n
#2 /var/www/html/main/src/classes/modules/manager/isys_module_manager.class.php(839): isys_module_manager->register()\n
#3 /var/www/html/main/src/classes/modules/api/src/Controller/JsonRpcController.php(386): isys_module_manager->module_loader()\n
#4 /var/www/html/main/src/classes/modules/api/src/Controller/JsonRpcController.php(177): idoit\\Module\\Api\\Controller\\JsonRpcController->getModelByMethod()\n
#5 /var/www/html/main/src/classes/modules/api/jsonrpc.php(131): idoit\\Module\\Api\\Controller\\JsonRpcController->run()\n
#6 [internal function]: {closure}()\n
#7 /var/www/html/main/src/classes/modul...'

Solution

Update the i-doit pro API Add-on to version 1.14.1.
The i-doit pro API Add-on can be downloaded from the customer portal.