Flow price: --
b80ab06f12a9a59e97c6a5dec6c9b68a308c5e360eb7ea028fe53c72f1400741

Transaction

Hash: b80ab06f12a9a59e97c6a5dec6c9b68a308c5e360eb7ea028fe53c72f1400741
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b80ab06f12a9a59e97c6a5dec6c9b68a308c5e360eb7ea028fe53c72f1400741:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b80ab06f12a9a59e97c6a5dec6c9b68a308c5e360eb7ea028fe53c72f1400741
Status:
ERROR
Block height:
39793892
Block id:
592cd2bdf5affbd456af2e5cb25888b663f0dd8603f7b7d22d841ba051520282
Timestamp:
Thursday 27 October 2022 at 07:07:35 UTC
()
Proposer:
Authorizers:
Gas used:
50