Flow price: --
b63c787ae9ca05c39c94005c4c7a17229bedc528ca3224d78a5d01c9c037383b

Transaction

Hash: b63c787ae9ca05c39c94005c4c7a17229bedc528ca3224d78a5d01c9c037383b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b63c787ae9ca05c39c94005c4c7a17229bedc528ca3224d78a5d01c9c037383b: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:
b63c787ae9ca05c39c94005c4c7a17229bedc528ca3224d78a5d01c9c037383b
Status:
ERROR
Block height:
39933923
Block id:
2c09d96b7a2504bb5f7d6c09386d9de899d139d0eca5bdb90cd6eecec932be69
Timestamp:
Saturday 29 October 2022 at 15:25:03 UTC
()
Proposer:
Authorizers:
Gas used:
50