Flow price: --
b7544573e4a9a5f6d24e3a4ace5ddfccb5b125c7cca657c51238d06e97fafe25

Transaction

Hash: b7544573e4a9a5f6d24e3a4ace5ddfccb5b125c7cca657c51238d06e97fafe25
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b7544573e4a9a5f6d24e3a4ace5ddfccb5b125c7cca657c51238d06e97fafe25:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b7544573e4a9a5f6d24e3a4ace5ddfccb5b125c7cca657c51238d06e97fafe25
Status:
ERROR
Block height:
40119621
Block id:
a9b08f299110ef18ce180ebe75b7263cb0c1e918e60396dfa36106f12c8995f6
Timestamp:
Tuesday 1 November 2022 at 17:52:02 UTC
()
Proposer:
Authorizers:
Gas used:
47