Flow price: --
c9c9f95dbc46e7d8b24e29a98ad98ec4c58cb3be565ee6c36e90496f3033beca

Transaction

Hash: c9c9f95dbc46e7d8b24e29a98ad98ec4c58cb3be565ee6c36e90496f3033beca
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c9c9f95dbc46e7d8b24e29a98ad98ec4c58cb3be565ee6c36e90496f3033beca: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:
c9c9f95dbc46e7d8b24e29a98ad98ec4c58cb3be565ee6c36e90496f3033beca
Status:
ERROR
Block height:
40048279
Block id:
86db90dc4e793279da717ede8add8bbbde4c2e276cc5910d24cff04645272d72
Timestamp:
Monday 31 October 2022 at 13:04:33 UTC
()
Proposer:
Authorizers:
Gas used:
48