Flow price: --
9ccea09611d4a6548e19b30a16294731c0405c70de081bf2f39f5c053f12f24b

Transaction

Hash: 9ccea09611d4a6548e19b30a16294731c0405c70de081bf2f39f5c053f12f24b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9ccea09611d4a6548e19b30a16294731c0405c70de081bf2f39f5c053f12f24b: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:
9ccea09611d4a6548e19b30a16294731c0405c70de081bf2f39f5c053f12f24b
Status:
ERROR
Block height:
39987239
Block id:
4cdf24838811ce8a0d6b24084998eb4cd6265f6a74271bcf80185c01da0615ad
Timestamp:
Sunday 30 October 2022 at 12:39:27 UTC
()
Proposer:
Authorizers:
Gas used:
47