Flow price: --
11323d811bd2af1989ec3dd624a1e83e6f92c23a25be3fb80647915c6d86e9d5

Transaction

Hash: 11323d811bd2af1989ec3dd624a1e83e6f92c23a25be3fb80647915c6d86e9d5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 11323d811bd2af1989ec3dd624a1e83e6f92c23a25be3fb80647915c6d86e9d5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
11323d811bd2af1989ec3dd624a1e83e6f92c23a25be3fb80647915c6d86e9d5
Status:
ERROR
Block height:
39978682
Block id:
0b983a33432f7f7f37aa99f8e3b093cd05492e41825f343520043e65aff1c686
Timestamp:
Sunday 30 October 2022 at 09:14:15 UTC
()
Proposer:
Authorizers:
Gas used:
46