Flow price: --
ad8358256347d5a994a99ed1cfdd5f6a9f990ccd031351a04cc3ede6e72e2f7c

Transaction

Hash: ad8358256347d5a994a99ed1cfdd5f6a9f990ccd031351a04cc3ede6e72e2f7c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ad8358256347d5a994a99ed1cfdd5f6a9f990ccd031351a04cc3ede6e72e2f7c: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:
ad8358256347d5a994a99ed1cfdd5f6a9f990ccd031351a04cc3ede6e72e2f7c
Status:
ERROR
Block height:
40037254
Block id:
2d4cf372ef3c46ceaa8cdec57bbae04c6dab61ca621474af0d7a9a00eb380f8c
Timestamp:
Monday 31 October 2022 at 08:37:18 UTC
()
Proposer:
Authorizers:
Gas used:
50