Flow price: --
b311fbd17b167ec28434d910ca573f91b5e5036911e8db57bd4165e8d5a7e3d0

Transaction

Hash: b311fbd17b167ec28434d910ca573f91b5e5036911e8db57bd4165e8d5a7e3d0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b311fbd17b167ec28434d910ca573f91b5e5036911e8db57bd4165e8d5a7e3d0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b311fbd17b167ec28434d910ca573f91b5e5036911e8db57bd4165e8d5a7e3d0
Status:
ERROR
Block height:
39809677
Block id:
327c5b571727489d5b62ef9aba1287742ebd2c9d90bc3249bb82dfb449597214
Timestamp:
Thursday 27 October 2022 at 13:30:07 UTC
()
Proposer:
Authorizers:
Gas used:
47