Flow price: --
b767d590748f1e598b24f9563650d319b903ead14c47ea95463a9c8040c0c5e7

Transaction

Hash: b767d590748f1e598b24f9563650d319b903ead14c47ea95463a9c8040c0c5e7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b767d590748f1e598b24f9563650d319b903ead14c47ea95463a9c8040c0c5e7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b767d590748f1e598b24f9563650d319b903ead14c47ea95463a9c8040c0c5e7
Status:
ERROR
Block height:
40164166
Block id:
f675c38fa6f373436556626c4d652aa03f2ddcb23b7b6ce8d9375cf026087c3c
Timestamp:
Wednesday 2 November 2022 at 11:59:37 UTC
()
Proposer:
Authorizers:
Gas used:
49