Flow price: --
8b77190301974001c47ab4abd253e6530c5c84897a87fefdbd40a5b591a7a3b1

Transaction

Hash: 8b77190301974001c47ab4abd253e6530c5c84897a87fefdbd40a5b591a7a3b1
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:
  --> 8b77190301974001c47ab4abd253e6530c5c84897a87fefdbd40a5b591a7a3b1:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

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


Hash:
8b77190301974001c47ab4abd253e6530c5c84897a87fefdbd40a5b591a7a3b1
Status:
ERROR
Block height:
40666869
Block id:
8ccae690b403dbcf58b028da6d934a763c71a636e224810d5031392ba35281d7
Timestamp:
Thursday 10 November 2022 at 22:30:14 UTC
()
Proposer:
Authorizers:
Gas used:
23