Flow price: --
2b157b5a883dfffadd24e9284c52b09c498030d299c9e7f30b33072f5c5618e8

Transaction

Hash: 2b157b5a883dfffadd24e9284c52b09c498030d299c9e7f30b33072f5c5618e8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2b157b5a883dfffadd24e9284c52b09c498030d299c9e7f30b33072f5c5618e8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2b157b5a883dfffadd24e9284c52b09c498030d299c9e7f30b33072f5c5618e8
Status:
ERROR
Block height:
39854557
Block id:
9ccf02edce2a8ef9ff3323b79ad6824801010f3c7ca8a389e68e157eacd3cdb1
Timestamp:
Friday 28 October 2022 at 07:37:27 UTC
()
Proposer:
Authorizers:
Gas used:
46