Flow price: --
102718439bda183d58f0880966d355c56a24c0bcaabfaebab3da7512056b135c

Transaction

Hash: 102718439bda183d58f0880966d355c56a24c0bcaabfaebab3da7512056b135c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 102718439bda183d58f0880966d355c56a24c0bcaabfaebab3da7512056b135c: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:
102718439bda183d58f0880966d355c56a24c0bcaabfaebab3da7512056b135c
Status:
ERROR
Block height:
40104520
Block id:
6b80f865d28a2b1c8b4bef06de6b67b322945eaf999b9beca86da0dae1e0d897
Timestamp:
Tuesday 1 November 2022 at 11:44:54 UTC
()
Proposer:
Authorizers:
Gas used:
50