Flow price: --
83687a10319dea1c9a42a582f15d6e8d6c8faede9e8e96a5abc0637c8d731921

Transaction

Hash: 83687a10319dea1c9a42a582f15d6e8d6c8faede9e8e96a5abc0637c8d731921
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 83687a10319dea1c9a42a582f15d6e8d6c8faede9e8e96a5abc0637c8d731921:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
83687a10319dea1c9a42a582f15d6e8d6c8faede9e8e96a5abc0637c8d731921
Status:
ERROR
Block height:
40130588
Block id:
71e77876e878dae0d21eb417084a5715f0e804ad77321b03a032d2a805e4425c
Timestamp:
Tuesday 1 November 2022 at 22:21:11 UTC
()
Proposer:
Authorizers:
Gas used:
49