Flow price: --
c2e015263a8af764e5f19996b039009ed178746a8f31aed88018d437b854e519

Transaction

Hash: c2e015263a8af764e5f19996b039009ed178746a8f31aed88018d437b854e519
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:
  --> c2e015263a8af764e5f19996b039009ed178746a8f31aed88018d437b854e519:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
c2e015263a8af764e5f19996b039009ed178746a8f31aed88018d437b854e519
Status:
ERROR
Block height:
41084509
Block id:
6a03fbdf78a2bc80c27fa4951780fb88561bc6f2a7c0bc64b83e8efa2f24e413
Timestamp:
Thursday 17 November 2022 at 20:38:07 UTC
()
Proposer:
Authorizers:
Gas used:
22