Flow price: --
ab9960c00865ee559fc89a2d0ffe03dee8982d65850e5fd0c6551426137b4775

Transaction

Hash: ab9960c00865ee559fc89a2d0ffe03dee8982d65850e5fd0c6551426137b4775
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ab9960c00865ee559fc89a2d0ffe03dee8982d65850e5fd0c6551426137b4775:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ab9960c00865ee559fc89a2d0ffe03dee8982d65850e5fd0c6551426137b4775
Status:
ERROR
Block height:
40141583
Block id:
83e66d166cee85bb8c5f55e5a8aeac78b8cf1600e87f592e88c9605498e8fba7
Timestamp:
Wednesday 2 November 2022 at 02:49:16 UTC
()
Proposer:
Authorizers:
Gas used:
47