Flow price: --
1562985a4430f057784195bf3490e3004b5940bf78bb0554376d93e5923c73d4

Transaction

Hash: 1562985a4430f057784195bf3490e3004b5940bf78bb0554376d93e5923c73d4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> 1562985a4430f057784195bf3490e3004b5940bf78bb0554376d93e5923c73d4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


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