Flow price: --
3966994d0a85a5fa27a9dfe39fab71da24293914112313aa3b9004ed62252bf9

Transaction

Hash: 3966994d0a85a5fa27a9dfe39fab71da24293914112313aa3b9004ed62252bf9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3966994d0a85a5fa27a9dfe39fab71da24293914112313aa3b9004ed62252bf9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3966994d0a85a5fa27a9dfe39fab71da24293914112313aa3b9004ed62252bf9
Status:
ERROR
Block height:
40055206
Block id:
14ad316f01d146e1f81cf3fabb146526fa685b45c29914918706b2c32115fb9d
Timestamp:
Monday 31 October 2022 at 15:52:34 UTC
()
Proposer:
Authorizers:
Gas used:
46