Flow price: --
77f05f4f23f98f4491a060e46f1fc7e0d7333ed220217f558081dc28e2ea4316

Transaction

Hash: 77f05f4f23f98f4491a060e46f1fc7e0d7333ed220217f558081dc28e2ea4316
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 77f05f4f23f98f4491a060e46f1fc7e0d7333ed220217f558081dc28e2ea4316:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
77f05f4f23f98f4491a060e46f1fc7e0d7333ed220217f558081dc28e2ea4316
Status:
ERROR
Block height:
39987227
Block id:
b5302efefa1bd980af3582c5616901b468beb52c16a3396c49d46753da631d04
Timestamp:
Sunday 30 October 2022 at 12:39:09 UTC
()
Proposer:
Authorizers:
Gas used:
49