NamelessMC

How can I fix this Problem?

[2022-07-11, 13:42:12] /var/www/html/modules/Core/includes/endpoints/ListGroupsEndpoint.php(0): Class ListGroupsEndpoint contains 1 abstract method and must therefore be declared abstract or implement the remaining methods (EndpointBase::isAuthorised)

Next Fatal Error

Same Error

[2022-07-09, 13:43:37] /var/www/html/core/classes/Database/DB.php(151): SQLSTATE[42S02]: Base table or view not found: 1146 Table 'nameless.nl2_phinxlog' doesn't exist

@Samerton

[2022-07-04, 12:16:07] /var/www/html/core/classes/Database/DB.php(151): SQLSTATE[42S02]: Base table or view not found: 1146 Table 'nameless.nl2_phinxlog' doesn't exist

Good morning,

after I wanted to change the version of my forum from v12 to v13, I have downloaded the update as described and then moved it to the www folder, now after opening the website a fatal error.

What can I do to get my website back online?

LG

Julian