Flow price: --
cb6ee305e21c71cccbd955a601246042223dd8d45c556076ede73952dd7ebfa4

Transaction

Hash: cb6ee305e21c71cccbd955a601246042223dd8d45c556076ede73952dd7ebfa4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cb6ee305e21c71cccbd955a601246042223dd8d45c556076ede73952dd7ebfa4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cb6ee305e21c71cccbd955a601246042223dd8d45c556076ede73952dd7ebfa4
Status:
ERROR
Block height:
39957899
Block id:
5ffde149ea445312381cd456d407702c8bd071ab1630d53b1230ec3d0e071a77
Timestamp:
Sunday 30 October 2022 at 00:55:49 UTC
()
Proposer:
Authorizers:
Gas used:
47