Flow price: --
81133c6f2f70cc520df0c9530efa8bfea085b265c3bb19ab02acd37998a90ddc

Transaction

Hash: 81133c6f2f70cc520df0c9530efa8bfea085b265c3bb19ab02acd37998a90ddc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 81133c6f2f70cc520df0c9530efa8bfea085b265c3bb19ab02acd37998a90ddc: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:
81133c6f2f70cc520df0c9530efa8bfea085b265c3bb19ab02acd37998a90ddc
Status:
ERROR
Block height:
40132319
Block id:
bae8a81180ddedb63fd82bdaa31cfb4e93fe98ad2fb7c8d4982f91d25904c9b5
Timestamp:
Tuesday 1 November 2022 at 23:03:36 UTC
()
Proposer:
Authorizers:
Gas used:
47