Flow price: --
b63bdbd576ca52e9795daf5a89e4667985483c1a4a93724f7c919d9fb9c47867

Transaction

Hash: b63bdbd576ca52e9795daf5a89e4667985483c1a4a93724f7c919d9fb9c47867
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b63bdbd576ca52e9795daf5a89e4667985483c1a4a93724f7c919d9fb9c47867:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b63bdbd576ca52e9795daf5a89e4667985483c1a4a93724f7c919d9fb9c47867
Status:
ERROR
Block height:
40081408
Block id:
2a5914cdab2ecfeb87959fb41c18f65a9c25d4cec4341ead45b9ca55c03846a1
Timestamp:
Tuesday 1 November 2022 at 02:22:14 UTC
()
Proposer:
Authorizers:
Gas used:
47