Flow price: --
22dd883d23d8842b3eab5b3b32788dc92ca4ef8c90c6a886f8e67cefadef701e

Transaction

Hash: 22dd883d23d8842b3eab5b3b32788dc92ca4ef8c90c6a886f8e67cefadef701e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 22dd883d23d8842b3eab5b3b32788dc92ca4ef8c90c6a886f8e67cefadef701e: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:
22dd883d23d8842b3eab5b3b32788dc92ca4ef8c90c6a886f8e67cefadef701e
Status:
ERROR
Block height:
40153194
Block id:
14872c6170ca67e33d113ccd6929a3b5ffd3d355e479a9338c17797ff176f132
Timestamp:
Wednesday 2 November 2022 at 07:32:41 UTC
()
Proposer:
Authorizers:
Gas used:
50