How can i fix these errors?

[theorysan]

 

Dear Forum users,

The following problem is currently throwing up my website.
How can I fix them or what could be the problem?
Unfortunately,I am not very good at programming anyone have any suggestions?

"Whoops, looks like something went wrong.

(1/1) ContextErrorException

Notice: Undefined offset: 4

in addoninstagram.php line 98

at JmsAddonInstagram->returnValue(object(stdClass))in jmspagebuilder.php line 231

at JmsPageBuilder->loadAddon(object(stdClass))in jmspagebuilder.php line 545

at JmsPageBuilder->hookdisplayHome(array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => 1))in Hook.php line 1007

at HookCore::coreCallHook(object(JmsPageBuilder), 'hookDisplayHome', array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => 1))in Hook.php line 431

at HookCore::callHookOn(object(JmsPageBuilder), 'displayHome', array('cookie' => object(Cookie), 'cart' => object(Cart), 'altern' => 1))in Hook.php line 944

at HookCore::exec('displayHome')in IndexController.php line 39

at IndexControllerCore->initContent()in Controller.php line 306

at ControllerCore->run()in Dispatcher.php line 518

at DispatcherCore->dispatch()in index.php line 28"

[Wallgrind.nl]

Hello

According to your error output, the module/addon (addoninstagram) is causing an issue.
You can try to disable this module in the backend, or if you cant acces the backend make use of your FTP and delete the folder or rename it and add a 1 in front the module name.