Flow price: --
9b8c15585b8e05b39195fddd4dddc4b77160cd50a80520c3619d575261dab77d

Transaction

Hash: 9b8c15585b8e05b39195fddd4dddc4b77160cd50a80520c3619d575261dab77d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9b8c15585b8e05b39195fddd4dddc4b77160cd50a80520c3619d575261dab77d: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:
9b8c15585b8e05b39195fddd4dddc4b77160cd50a80520c3619d575261dab77d
Status:
ERROR
Block height:
40104135
Block id:
d2ee65259527d70531ec0592de92e4449520a9d58b359efe33e89759d5b663e7
Timestamp:
Tuesday 1 November 2022 at 11:35:38 UTC
()
Proposer:
Authorizers:
Gas used:
50