Flow price: --
7bb58a55afc3d43d8c85b7b0475cbd61ed2e1cf88c82e0b6e3324e788a5e1fb9

Transaction

Hash: 7bb58a55afc3d43d8c85b7b0475cbd61ed2e1cf88c82e0b6e3324e788a5e1fb9
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] error caused by: 1 error occurred:
	* transaction invocation failed when executing transaction: [Error Code: 1101] cadence runtime error: Execution failed:
  --> 7bb58a55afc3d43d8c85b7b0475cbd61ed2e1cf88c82e0b6e3324e788a5e1fb9:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:24


Hash:
7bb58a55afc3d43d8c85b7b0475cbd61ed2e1cf88c82e0b6e3324e788a5e1fb9
Status:
ERROR
Block height:
41303621
Block id:
e2d426cb692b6e9d68ae0f72f330e54ea3cdb2f1f8eb2e5513d731d97a8a77ef
Timestamp:
Monday 21 November 2022 at 09:31:48 UTC
()
Proposer:
Authorizers:
Gas used:
23