Flow price: --
f6b5db7bc13293feed0b7dc0dd5c97e90fe85468206e1cf8e3c4e3f9b84c988c

Transaction

Hash: f6b5db7bc13293feed0b7dc0dd5c97e90fe85468206e1cf8e3c4e3f9b84c988c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f6b5db7bc13293feed0b7dc0dd5c97e90fe85468206e1cf8e3c4e3f9b84c988c: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:
f6b5db7bc13293feed0b7dc0dd5c97e90fe85468206e1cf8e3c4e3f9b84c988c
Status:
ERROR
Block height:
40108759
Block id:
5aa3d362df610bf3dce134d55fe8db6f12e230516a8dcd2d5c7aa8f92a794245
Timestamp:
Tuesday 1 November 2022 at 13:27:41 UTC
()
Proposer:
Authorizers:
Gas used:
70