Flow price: --
2a7214b5d63cb63a8c6929ad5ed2763b81c44ff3c75e2f77d387f959e97bd44f

Transaction

Hash: 2a7214b5d63cb63a8c6929ad5ed2763b81c44ff3c75e2f77d387f959e97bd44f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2a7214b5d63cb63a8c6929ad5ed2763b81c44ff3c75e2f77d387f959e97bd44f: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:
2a7214b5d63cb63a8c6929ad5ed2763b81c44ff3c75e2f77d387f959e97bd44f
Status:
ERROR
Block height:
40162082
Block id:
c267c02d218ea2435d8b44f09d9570ecc880f911550e2aee971f0783db804f43
Timestamp:
Wednesday 2 November 2022 at 11:09:01 UTC
()
Proposer:
Authorizers:
Gas used:
50