Flow price: --
417894a3ea965124eeb5423178d5f964c12b276ca502a0c3ffd3c6618e556f05

Transaction

Hash: 417894a3ea965124eeb5423178d5f964c12b276ca502a0c3ffd3c6618e556f05
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 417894a3ea965124eeb5423178d5f964c12b276ca502a0c3ffd3c6618e556f05:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
417894a3ea965124eeb5423178d5f964c12b276ca502a0c3ffd3c6618e556f05
Status:
ERROR
Block height:
40162096
Block id:
b3aa2979f05a18a03a44bb26b0d20e4a54a16088576fcbf0a455256fa3f74373
Timestamp:
Wednesday 2 November 2022 at 11:09:23 UTC
()
Proposer:
Authorizers:
Gas used:
47