Flow price: --
010c80f20612e3093246e386395e9a1c55c959eec6f585e2443161e52ac7e8e4

Transaction

Hash: 010c80f20612e3093246e386395e9a1c55c959eec6f585e2443161e52ac7e8e4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 010c80f20612e3093246e386395e9a1c55c959eec6f585e2443161e52ac7e8e4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
010c80f20612e3093246e386395e9a1c55c959eec6f585e2443161e52ac7e8e4
Status:
ERROR
Block height:
40112054
Block id:
ff1411a4129ba025bb1cf1fa6eb263bfcc4c1f73beb61334b3219e040f0870cc
Timestamp:
Tuesday 1 November 2022 at 14:48:02 UTC
()
Proposer:
Authorizers:
Gas used:
50