Flow price: --
5a3268a65e10cd8a1cb73e07db38c14b5931735b5e4ec6efefb4d64f8e354551

Transaction

Hash: 5a3268a65e10cd8a1cb73e07db38c14b5931735b5e4ec6efefb4d64f8e354551
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5a3268a65e10cd8a1cb73e07db38c14b5931735b5e4ec6efefb4d64f8e354551:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5a3268a65e10cd8a1cb73e07db38c14b5931735b5e4ec6efefb4d64f8e354551
Status:
ERROR
Block height:
39978008
Block id:
84d7d53a1e610cd8afa7b8dde8a20defb9f978befd96f357b013c348c67b47e6
Timestamp:
Sunday 30 October 2022 at 08:57:56 UTC
()
Proposer:
Authorizers:
Gas used:
46