Flow price: --
b8c2ac702798babe41867ebc73ce81a722b50a238ce557426616c936ebcdb8e4

Transaction

Hash: b8c2ac702798babe41867ebc73ce81a722b50a238ce557426616c936ebcdb8e4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b8c2ac702798babe41867ebc73ce81a722b50a238ce557426616c936ebcdb8e4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b8c2ac702798babe41867ebc73ce81a722b50a238ce557426616c936ebcdb8e4
Status:
ERROR
Block height:
40155083
Block id:
bb58b31aff50825992e102b7a2bb49472278259705bcf3b3ec0fb1013851b91a
Timestamp:
Wednesday 2 November 2022 at 08:18:39 UTC
()
Proposer:
Authorizers:
Gas used:
50