Cant get past this error: callback_x_invalid_y

[MadHatter]

finished uploading files and then added sql database upon clicking install it gives me this error:

callback_x_invalid_y

and also this when i visit the forum:
An exception occurred: [XF\Db\Exception] Access denied for user 'u959382629_user'@'localhost' (using password: YES) in src/XF/Db/Mysqli/Adapter.php on line 165

1. XF\Db\Mysqli\Adapter->makeConnection() in src/XF/Db/Mysqli/Adapter.php at line 28
2. XF\Db\Mysqli\Adapter->getConnection() in src/XF/Db/AbstractAdapter.php at line 60
3. XF\Db\AbstractAdapter->connect() in src/XF/Db/Mysqli/Adapter.php at line 113
4. XF\Db\Mysqli\Adapter->escapeString() in src/XF/Db/AbstractAdapter.php at line 516
5. XF\Db\AbstractAdapter->quote() in src/XF/Db/AbstractAdapter.php at line 494
6. XF\Db\AbstractAdapter->quote() in src/XF/DataRegistry.php at line 138
7. XF\DataRegistry->readFromDb() in src/XF/DataRegistry.php at line 83
8. XF\DataRegistry->get() in src/XF/DataRegistry.php at line 226
9. XF\DataRegistry->offsetGet() in src/XF/App.php at line 1789
10. XF\App->XF\{closure}() in src/XF/Container.php at line 28
11. XF\Container->offsetGet() in src/XF/App.php at line 2317
12. XF\App->setupAddOnComposerAutoload() in src/XF/App.php at line 1888
13. XF\App->setup() in src/XF/Pub/App.php at line 91
14. XF\Pub\App->setup() in src/XF.php at line 461
15. XF::setupApp() in src/XF.php at line 484
16. XF::runApp() in index.php at line 20

any help please? thank you

 

[MisakiTaro]

 

[MadHatter]

View attachment 251847
Oh, I have license? How do I become eligible for this support?

 

[MisakiTaro]

View attachment 251847
Oh, I have license? How do I become eligible for this support?

Then you should associate your forum account from Customer's Area and create a thread in correct forum.