Flow price: --
750d96558e158ab4b25f91a69bc26563f426ceb6faceeb12d8ea41a23ddaf69b

Transaction

Hash: 750d96558e158ab4b25f91a69bc26563f426ceb6faceeb12d8ea41a23ddaf69b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 750d96558e158ab4b25f91a69bc26563f426ceb6faceeb12d8ea41a23ddaf69b: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:
750d96558e158ab4b25f91a69bc26563f426ceb6faceeb12d8ea41a23ddaf69b
Status:
ERROR
Block height:
39858422
Block id:
322414baf96c09dc506135da3ae08c23520582c3e6a9178921f1c4da7d8aeb70
Timestamp:
Friday 28 October 2022 at 09:10:52 UTC
()
Proposer:
Authorizers:
Gas used:
53