Flow price: --
f6a206599b52a837858526f0a980f9b7c1267e1b7cc3b5fcb2a1982716ada169

Transaction

Hash: f6a206599b52a837858526f0a980f9b7c1267e1b7cc3b5fcb2a1982716ada169
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f6a206599b52a837858526f0a980f9b7c1267e1b7cc3b5fcb2a1982716ada169:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f6a206599b52a837858526f0a980f9b7c1267e1b7cc3b5fcb2a1982716ada169
Status:
ERROR
Block height:
40064603
Block id:
4e6ae991750aa0870a1ca92366f448e4a63f538aded4c159b3c991401292ddc9
Timestamp:
Monday 31 October 2022 at 19:40:59 UTC
()
Proposer:
Authorizers:
Gas used:
46