Flow price: --
289b2b8c7c60c73b3ae192192ab2a9449a2e4ee396c285fd03ac5e24c8704bb5

Transaction

Hash: 289b2b8c7c60c73b3ae192192ab2a9449a2e4ee396c285fd03ac5e24c8704bb5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 289b2b8c7c60c73b3ae192192ab2a9449a2e4ee396c285fd03ac5e24c8704bb5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
289b2b8c7c60c73b3ae192192ab2a9449a2e4ee396c285fd03ac5e24c8704bb5
Status:
ERROR
Block height:
39990546
Block id:
a43c9c0f827dc38a765bcd22130cfbfa333f2efc1646748db2e43e6d645b1a80
Timestamp:
Sunday 30 October 2022 at 13:58:41 UTC
()
Proposer:
Authorizers:
Gas used:
47