Flow price: --
9903715e17a501bf7c994eb044eec31c9a9730e42da67c797845ecf12bf43404

Transaction

Hash: 9903715e17a501bf7c994eb044eec31c9a9730e42da67c797845ecf12bf43404
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9903715e17a501bf7c994eb044eec31c9a9730e42da67c797845ecf12bf43404:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9903715e17a501bf7c994eb044eec31c9a9730e42da67c797845ecf12bf43404
Status:
ERROR
Block height:
39904594
Block id:
3aac71aade696d4ef8571b23ab5a93c85295e09625010a98f1c1effcafcfdf19
Timestamp:
Saturday 29 October 2022 at 03:36:08 UTC
()
Proposer:
Authorizers:
Gas used:
48