Flow price: --
159aa220ddcf4035298e2e2e3d890849d62dec4275c2889a2a517c4491a56e64

Transaction

Hash: 159aa220ddcf4035298e2e2e3d890849d62dec4275c2889a2a517c4491a56e64
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 159aa220ddcf4035298e2e2e3d890849d62dec4275c2889a2a517c4491a56e64:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
159aa220ddcf4035298e2e2e3d890849d62dec4275c2889a2a517c4491a56e64
Status:
ERROR
Block height:
40037421
Block id:
249cbae49c0efb315deac9bc0c29651b8a0c8d70c39c021a7d564609813de166
Timestamp:
Monday 31 October 2022 at 08:41:07 UTC
()
Proposer:
Authorizers:
Gas used:
48