Flow price: --
610c26ece28a5047dc7fd3f3ddc6698fd6ab48355933eaafc5b4dd7510af5436

Transaction

Hash: 610c26ece28a5047dc7fd3f3ddc6698fd6ab48355933eaafc5b4dd7510af5436
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 610c26ece28a5047dc7fd3f3ddc6698fd6ab48355933eaafc5b4dd7510af5436:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
610c26ece28a5047dc7fd3f3ddc6698fd6ab48355933eaafc5b4dd7510af5436
Status:
ERROR
Block height:
40060146
Block id:
3d611760d9055b134f1ac8cce1c4621d1cade640681285f5bc18fae7a9ed36aa
Timestamp:
Monday 31 October 2022 at 17:53:04 UTC
()
Proposer:
Authorizers:
Gas used:
48