Flow price: --
91517c3eca70b3db7e9bd25d11ec93283c09d2c43040b5307f1a377e55438b2b

Transaction

Hash: 91517c3eca70b3db7e9bd25d11ec93283c09d2c43040b5307f1a377e55438b2b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 91517c3eca70b3db7e9bd25d11ec93283c09d2c43040b5307f1a377e55438b2b: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:
91517c3eca70b3db7e9bd25d11ec93283c09d2c43040b5307f1a377e55438b2b
Status:
ERROR
Block height:
40033266
Block id:
9a126866df7e50acdbf57033bc11cdf30020cbedf9b4c14ebfe034d7016cfd37
Timestamp:
Monday 31 October 2022 at 07:02:12 UTC
()
Proposer:
Authorizers:
Gas used:
47