Flow price: --
a8d8c5518d6bc89d06166c303c17a6d45b0e65249be9265c0d564b685eec1b2f

Transaction

Hash: a8d8c5518d6bc89d06166c303c17a6d45b0e65249be9265c0d564b685eec1b2f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a8d8c5518d6bc89d06166c303c17a6d45b0e65249be9265c0d564b685eec1b2f: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:
a8d8c5518d6bc89d06166c303c17a6d45b0e65249be9265c0d564b685eec1b2f
Status:
ERROR
Block height:
39832174
Block id:
e7703fa3044e763a2c0e9adcba9dda483d462361acb0dc57967d4871f130358b
Timestamp:
Thursday 27 October 2022 at 22:35:47 UTC
()
Proposer:
Authorizers:
Gas used:
46