Flow price: --
ad765888eede717cb3b0d676dcf9c6deee779153c18e794e1e4a86b0e2b8e5f9

Transaction

Hash: ad765888eede717cb3b0d676dcf9c6deee779153c18e794e1e4a86b0e2b8e5f9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ad765888eede717cb3b0d676dcf9c6deee779153c18e794e1e4a86b0e2b8e5f9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ad765888eede717cb3b0d676dcf9c6deee779153c18e794e1e4a86b0e2b8e5f9
Status:
ERROR
Block height:
40093252
Block id:
e6ce66b9c28397eed91787e67a6664d0bfd3e8f3307737b3b0e3485bb5dada02
Timestamp:
Tuesday 1 November 2022 at 07:11:01 UTC
()
Proposer:
Authorizers:
Gas used:
50