Flow price: --
de4a0a6c7812566555f5cdd4255bc18f31a16bd64cc4447ef22e5cb4fc32e3e5

Transaction

Hash: de4a0a6c7812566555f5cdd4255bc18f31a16bd64cc4447ef22e5cb4fc32e3e5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> de4a0a6c7812566555f5cdd4255bc18f31a16bd64cc4447ef22e5cb4fc32e3e5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
de4a0a6c7812566555f5cdd4255bc18f31a16bd64cc4447ef22e5cb4fc32e3e5
Status:
ERROR
Block height:
39917922
Block id:
b62cd3b77d83d2a578766ddf29c4d4eb915b33673765bec9777d10678cf9f11a
Timestamp:
Saturday 29 October 2022 at 08:56:36 UTC
()
Proposer:
Authorizers:
Gas used:
49