Flow price: --
699c4dea072e972c46133f8a96f44196127e1712c38d3e440bbbc4717ed3306b

Transaction

Hash: 699c4dea072e972c46133f8a96f44196127e1712c38d3e440bbbc4717ed3306b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 699c4dea072e972c46133f8a96f44196127e1712c38d3e440bbbc4717ed3306b: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:
699c4dea072e972c46133f8a96f44196127e1712c38d3e440bbbc4717ed3306b
Status:
ERROR
Block height:
39796432
Block id:
14990c8272ffd3cb09dd19880feabf3f5a39df2a397ac89dec1636e59e7d0626
Timestamp:
Thursday 27 October 2022 at 08:09:01 UTC
()
Proposer:
Authorizers:
Gas used:
49