Flow price: --
6f69ae6b4c60a0f0bd38409a1e578a4aec53aa3733a11854c84a7d9b9e4e3395

Transaction

Hash: 6f69ae6b4c60a0f0bd38409a1e578a4aec53aa3733a11854c84a7d9b9e4e3395
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 6f69ae6b4c60a0f0bd38409a1e578a4aec53aa3733a11854c84a7d9b9e4e3395:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
6f69ae6b4c60a0f0bd38409a1e578a4aec53aa3733a11854c84a7d9b9e4e3395
Status:
ERROR
Block height:
39976774
Block id:
9516fa7b79a49e72dd9ffaba42f626acd8d55cc927bc8ea4bce721afc98d0f8c
Timestamp:
Sunday 30 October 2022 at 08:28:33 UTC
()
Proposer:
Authorizers:
Gas used:
46