isApproved cannot be called without level.

[MaximilianoRicoTabo]

BUGFIXING: Removed calls to isApproved without a level id.

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[MaximilianoRicoTabo]

This gist can be added to the code snippets to fix the bug in the mean time
https://gist.github.com/MaximilianoRicoTabo/a9408b80b6eb31c762ebac459ffadd1a