Flow price: --
f349b8c1215b5b8a9ac85a95d7a2d28bba9783d65e7ea3730f66aec9a7dc818a

Transaction

Hash: f349b8c1215b5b8a9ac85a95d7a2d28bba9783d65e7ea3730f66aec9a7dc818a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f349b8c1215b5b8a9ac85a95d7a2d28bba9783d65e7ea3730f66aec9a7dc818a: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:
f349b8c1215b5b8a9ac85a95d7a2d28bba9783d65e7ea3730f66aec9a7dc818a
Status:
ERROR
Block height:
39974504
Block id:
8a145ad81aad2a5a7dcb3ac47d8c7e38fd2a768f38af6b7574ac780f1a075dcd
Timestamp:
Sunday 30 October 2022 at 07:34:26 UTC
()
Proposer:
Authorizers:
Gas used:
47