Flow price: --
f666c39bb21717360b2194911c98e2ea6ee2ed41bf32765ded33e65eb208b6a9

Transaction

Hash: f666c39bb21717360b2194911c98e2ea6ee2ed41bf32765ded33e65eb208b6a9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> f666c39bb21717360b2194911c98e2ea6ee2ed41bf32765ded33e65eb208b6a9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
f666c39bb21717360b2194911c98e2ea6ee2ed41bf32765ded33e65eb208b6a9
Status:
ERROR
Block height:
40128519
Block id:
076e404041d1a01d36c7743453486d85476fc12d54340a5f47af904499b5fd47
Timestamp:
Tuesday 1 November 2022 at 21:30:00 UTC
()
Proposer:
Authorizers:
Gas used:
50