Flow price: --
19f528ad2f2d6f683dbfb5d7bd349ec8be75b98c9183236129f7584b1c3c7b76

Transaction

Hash: 19f528ad2f2d6f683dbfb5d7bd349ec8be75b98c9183236129f7584b1c3c7b76
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 19f528ad2f2d6f683dbfb5d7bd349ec8be75b98c9183236129f7584b1c3c7b76:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
19f528ad2f2d6f683dbfb5d7bd349ec8be75b98c9183236129f7584b1c3c7b76
Status:
ERROR
Block height:
40054184
Block id:
baa7035af48e997b852fa43c685993ef4b2352053dd2a3d4c28fd777e7746483
Timestamp:
Monday 31 October 2022 at 15:27:44 UTC
()
Proposer:
Authorizers:
Gas used:
47