Flow price: --
b395a6d3f53749912abd680937fe2b84077d0a45b0325fb5b0114e2a4cc095d8

Transaction

Hash: b395a6d3f53749912abd680937fe2b84077d0a45b0325fb5b0114e2a4cc095d8
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b395a6d3f53749912abd680937fe2b84077d0a45b0325fb5b0114e2a4cc095d8:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b395a6d3f53749912abd680937fe2b84077d0a45b0325fb5b0114e2a4cc095d8
Status:
ERROR
Block height:
40132321
Block id:
e107952f34552b90182f9147314bb6ae70ae671fd5880be3df317a8a90b51b66
Timestamp:
Tuesday 1 November 2022 at 23:03:39 UTC
()
Proposer:
Authorizers:
Gas used:
48