Flow price: --
8a7a65c8e762c35bd7f47a4257dd300111ed7fb50ef7e95e382a6ae2b89ce525

Transaction

Hash: 8a7a65c8e762c35bd7f47a4257dd300111ed7fb50ef7e95e382a6ae2b89ce525
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8a7a65c8e762c35bd7f47a4257dd300111ed7fb50ef7e95e382a6ae2b89ce525:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
8a7a65c8e762c35bd7f47a4257dd300111ed7fb50ef7e95e382a6ae2b89ce525
Status:
ERROR
Block height:
39987122
Block id:
2d6758391cfc5db202786bc9e3fc24c0db39ff96c2f326a4d72de87f5a5f13f8
Timestamp:
Sunday 30 October 2022 at 12:36:30 UTC
()
Proposer:
Authorizers:
Gas used:
50