Flow price: --
de460d0b1f0c184fb1bb2256fa0d76906bf1bda224084a15245492b8b3081938

Transaction

Hash: de460d0b1f0c184fb1bb2256fa0d76906bf1bda224084a15245492b8b3081938
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> de460d0b1f0c184fb1bb2256fa0d76906bf1bda224084a15245492b8b3081938:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
de460d0b1f0c184fb1bb2256fa0d76906bf1bda224084a15245492b8b3081938
Status:
ERROR
Block height:
39875095
Block id:
51947cdfbcbd83173da9b5e984bfbcf696002becc36083c733cc172e95c71e22
Timestamp:
Friday 28 October 2022 at 15:52:13 UTC
()
Proposer:
Authorizers:
Gas used:
47