Flow price: --
c0d378199d32d567fe2246f6c8a66768a989380e80f1a8e8d5e12748e49c080a

Transaction

Hash: c0d378199d32d567fe2246f6c8a66768a989380e80f1a8e8d5e12748e49c080a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c0d378199d32d567fe2246f6c8a66768a989380e80f1a8e8d5e12748e49c080a: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:
c0d378199d32d567fe2246f6c8a66768a989380e80f1a8e8d5e12748e49c080a
Status:
ERROR
Block height:
40132681
Block id:
7c39c885adc9191c8ecf84951951dda9bfd26ee7c89e09519c98c508aa4f89fc
Timestamp:
Tuesday 1 November 2022 at 23:12:39 UTC
()
Proposer:
Authorizers:
Gas used:
46