Flow price: --
b92a4ecc5a9c3480f10822000120d7f991fc2e0ccd00653e7709e1e096c411e3

Transaction

Hash: b92a4ecc5a9c3480f10822000120d7f991fc2e0ccd00653e7709e1e096c411e3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b92a4ecc5a9c3480f10822000120d7f991fc2e0ccd00653e7709e1e096c411e3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b92a4ecc5a9c3480f10822000120d7f991fc2e0ccd00653e7709e1e096c411e3
Status:
ERROR
Block height:
39855489
Block id:
18d5525fd97c6c2c6d9e55ba4dde8b40da026d1e3513d9429217cac6f39b5570
Timestamp:
Friday 28 October 2022 at 08:00:19 UTC
()
Proposer:
Authorizers:
Gas used:
46