Flow price: --
3875a9dcba431c1aeb43788d5a290a603551791b4e1b4d30ed2a0d0c8b85e7f5

Transaction

Hash: 3875a9dcba431c1aeb43788d5a290a603551791b4e1b4d30ed2a0d0c8b85e7f5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3875a9dcba431c1aeb43788d5a290a603551791b4e1b4d30ed2a0d0c8b85e7f5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3875a9dcba431c1aeb43788d5a290a603551791b4e1b4d30ed2a0d0c8b85e7f5
Status:
ERROR
Block height:
40057428
Block id:
93c7632339d78f3cb4df7a4eea14a0e09b655473c659c01f04331be0fa8b7f53
Timestamp:
Monday 31 October 2022 at 16:47:29 UTC
()
Proposer:
Authorizers:
Gas used:
46