Flow price: --
81330cff54a28e2cddc3e87456c2e8c0892333ccb19fa836b3e92b1c5bdb8da3

Transaction

Hash: 81330cff54a28e2cddc3e87456c2e8c0892333ccb19fa836b3e92b1c5bdb8da3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 81330cff54a28e2cddc3e87456c2e8c0892333ccb19fa836b3e92b1c5bdb8da3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
81330cff54a28e2cddc3e87456c2e8c0892333ccb19fa836b3e92b1c5bdb8da3
Status:
ERROR
Block height:
40038206
Block id:
0fb6a68e294914e3601b4bae6283bdf880153d14b1de9312c454e9346a023965
Timestamp:
Monday 31 October 2022 at 09:00:31 UTC
()
Proposer:
Authorizers:
Gas used:
46