Flow price: --
bd08dbeae09e38f6300c97c0aa8b46123f85d24e0eee61c45795995b5d82f473

Transaction

Hash: bd08dbeae09e38f6300c97c0aa8b46123f85d24e0eee61c45795995b5d82f473
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bd08dbeae09e38f6300c97c0aa8b46123f85d24e0eee61c45795995b5d82f473:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bd08dbeae09e38f6300c97c0aa8b46123f85d24e0eee61c45795995b5d82f473
Status:
ERROR
Block height:
40101767
Block id:
68605770ca2bc33c0b05c141ec269e13e1ea50f3c74b48bab80a983299e22846
Timestamp:
Tuesday 1 November 2022 at 10:37:53 UTC
()
Proposer:
Authorizers:
Gas used:
47