Flow price: --
5281a32c1180cc5f82f61d11ad5efb9ea233d6644b2818a5e1deb20e1316fb14

Transaction

Hash: 5281a32c1180cc5f82f61d11ad5efb9ea233d6644b2818a5e1deb20e1316fb14
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5281a32c1180cc5f82f61d11ad5efb9ea233d6644b2818a5e1deb20e1316fb14:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5281a32c1180cc5f82f61d11ad5efb9ea233d6644b2818a5e1deb20e1316fb14
Status:
ERROR
Block height:
40167035
Block id:
af06b8bf246f4686f0ab0a8553297a750b235f2923cb901315f2a6caa06e4ee7
Timestamp:
Wednesday 2 November 2022 at 13:08:30 UTC
()
Proposer:
Authorizers:
Gas used:
46