Flow price: --
64b7a21777d03972713769fee95f48bf98631f7ee5d6e8658c3b667c5f8ff561

Transaction

Hash: 64b7a21777d03972713769fee95f48bf98631f7ee5d6e8658c3b667c5f8ff561
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:
  --> 64b7a21777d03972713769fee95f48bf98631f7ee5d6e8658c3b667c5f8ff561:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
64b7a21777d03972713769fee95f48bf98631f7ee5d6e8658c3b667c5f8ff561
Status:
ERROR
Block height:
40628188
Block id:
e9481e46dc3420d2bb2a94f1484f52ba4d7facef97fd448f2756c89de96bd1dd
Timestamp:
Thursday 10 November 2022 at 06:45:06 UTC
()
Proposer:
Authorizers:
Gas used:
24