Flow price: --
4915995bc51ad140bd4b339f33458fb0411721e7f0e6cf5279393ccd65322251

Transaction

Hash: 4915995bc51ad140bd4b339f33458fb0411721e7f0e6cf5279393ccd65322251
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4915995bc51ad140bd4b339f33458fb0411721e7f0e6cf5279393ccd65322251:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4915995bc51ad140bd4b339f33458fb0411721e7f0e6cf5279393ccd65322251
Status:
ERROR
Block height:
39738894
Block id:
d009e08a5810100b7a720c87d72e9e1b8983d4aedc04e6f74f7eac0f740f612a
Timestamp:
Wednesday 26 October 2022 at 08:58:08 UTC
()
Proposer:
Authorizers:
Gas used:
50