Flow price: --
3563386c3e4a96c145a63792da849913bf3a7c052c8ff97b89434191b9f35119

Transaction

Hash: 3563386c3e4a96c145a63792da849913bf3a7c052c8ff97b89434191b9f35119
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3563386c3e4a96c145a63792da849913bf3a7c052c8ff97b89434191b9f35119:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3563386c3e4a96c145a63792da849913bf3a7c052c8ff97b89434191b9f35119
Status:
ERROR
Block height:
40104221
Block id:
d37006b20823387dde9a8b6ccee651ed79fc642a0b14829db3ae664956f85ce0
Timestamp:
Tuesday 1 November 2022 at 11:37:43 UTC
()
Proposer:
Authorizers:
Gas used:
49