Flow price: --
5cfcb604d13ea0cab5149c54087c684c45690b22f4bffce69bacf0b378febf26

Transaction

Hash: 5cfcb604d13ea0cab5149c54087c684c45690b22f4bffce69bacf0b378febf26
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5cfcb604d13ea0cab5149c54087c684c45690b22f4bffce69bacf0b378febf26:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5cfcb604d13ea0cab5149c54087c684c45690b22f4bffce69bacf0b378febf26
Status:
ERROR
Block height:
40044029
Block id:
b5237bbe50476e1a703ba0e4a48f24510af5800541598cbc6debb8f5342e533f
Timestamp:
Monday 31 October 2022 at 11:21:44 UTC
()
Proposer:
Authorizers:
Gas used:
49