Flow price: --
4f265d9232315489f422db52ab1db7256a7670c082fff1f94d3575bac2c7e7c2

Transaction

Hash: 4f265d9232315489f422db52ab1db7256a7670c082fff1f94d3575bac2c7e7c2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4f265d9232315489f422db52ab1db7256a7670c082fff1f94d3575bac2c7e7c2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
4f265d9232315489f422db52ab1db7256a7670c082fff1f94d3575bac2c7e7c2
Status:
ERROR
Block height:
40167131
Block id:
92bec979614abecb8cd4aadd83e447d9db41e023ec3470849137e631497650e1
Timestamp:
Wednesday 2 November 2022 at 13:10:48 UTC
()
Proposer:
Authorizers:
Gas used:
47