Flow price: --
fe1241d5a6470520a93ab30c54153f0dd212619360988639dd26eea1f4cb2b54

Transaction

Hash: fe1241d5a6470520a93ab30c54153f0dd212619360988639dd26eea1f4cb2b54
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> fe1241d5a6470520a93ab30c54153f0dd212619360988639dd26eea1f4cb2b54:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
fe1241d5a6470520a93ab30c54153f0dd212619360988639dd26eea1f4cb2b54
Status:
ERROR
Block height:
39979218
Block id:
280f6fa02a92f5de7ec37642f462986ce70d438a4d6f79557090e0af3a11ee78
Timestamp:
Sunday 30 October 2022 at 09:27:18 UTC
()
Proposer:
Authorizers:
Gas used:
50