Flow price: --
71a02bb769e44b94e3c2124e4f1bc53000c99897c8dd34f2664c6b43b259ffd6

Transaction

Hash: 71a02bb769e44b94e3c2124e4f1bc53000c99897c8dd34f2664c6b43b259ffd6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 71a02bb769e44b94e3c2124e4f1bc53000c99897c8dd34f2664c6b43b259ffd6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
71a02bb769e44b94e3c2124e4f1bc53000c99897c8dd34f2664c6b43b259ffd6
Status:
ERROR
Block height:
39772214
Block id:
2a607e7037745ef56a9601be1d02897f736a80441bbfafb4939030abcf74938c
Timestamp:
Wednesday 26 October 2022 at 22:23:47 UTC
()
Proposer:
Authorizers:
Gas used:
46