Flow price: --
5244e329833a5cdd9fb881fff3db53aa5cbd8928136abfe5f945e0784940b304

Transaction

Hash: 5244e329833a5cdd9fb881fff3db53aa5cbd8928136abfe5f945e0784940b304
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5244e329833a5cdd9fb881fff3db53aa5cbd8928136abfe5f945e0784940b304:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5244e329833a5cdd9fb881fff3db53aa5cbd8928136abfe5f945e0784940b304
Status:
ERROR
Block height:
40111219
Block id:
7d187d35db0e9765024edceaad4214635f56b63a0e57702ad022a6383f2b0a71
Timestamp:
Tuesday 1 November 2022 at 14:27:26 UTC
()
Proposer:
Authorizers:
Gas used:
49