Flow price: --
75878aa89dbd5862d01927baab5d0b1b8abf75833912a8857ef1c6b05feaba6d

Transaction

Hash: 75878aa89dbd5862d01927baab5d0b1b8abf75833912a8857ef1c6b05feaba6d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 75878aa89dbd5862d01927baab5d0b1b8abf75833912a8857ef1c6b05feaba6d: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:
75878aa89dbd5862d01927baab5d0b1b8abf75833912a8857ef1c6b05feaba6d
Status:
ERROR
Block height:
39942421
Block id:
ce2b0cba20e59b42e896d2322ede794eae72b32a8f8aa54fc37e5122dc221dab
Timestamp:
Saturday 29 October 2022 at 18:50:03 UTC
()
Proposer:
Authorizers:
Gas used:
45