Flow price: --
2a213112c7e1c63f1de3eead2e6c65c79fdc944bde522e133b6261d8222eb58f

Transaction

Hash: 2a213112c7e1c63f1de3eead2e6c65c79fdc944bde522e133b6261d8222eb58f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2a213112c7e1c63f1de3eead2e6c65c79fdc944bde522e133b6261d8222eb58f: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:
2a213112c7e1c63f1de3eead2e6c65c79fdc944bde522e133b6261d8222eb58f
Status:
ERROR
Block height:
40100304
Block id:
43f561c3db9afaa16517ab40ce584ab923b15f6238c7ceb2633af030b5c92cff
Timestamp:
Tuesday 1 November 2022 at 10:02:34 UTC
()
Proposer:
Authorizers:
Gas used:
50