Flow price: --
c4a7217b1c146d6c1424c24c2287b11909f1ac9a6fba0d2e855d76a9a3e0ace2

Transaction

Hash: c4a7217b1c146d6c1424c24c2287b11909f1ac9a6fba0d2e855d76a9a3e0ace2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c4a7217b1c146d6c1424c24c2287b11909f1ac9a6fba0d2e855d76a9a3e0ace2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c4a7217b1c146d6c1424c24c2287b11909f1ac9a6fba0d2e855d76a9a3e0ace2
Status:
ERROR
Block height:
39878999
Block id:
b80491a9bb9ff1d2baa3be1592beb2288c439de648bf27343280fcecd0fde6f3
Timestamp:
Friday 28 October 2022 at 17:25:09 UTC
()
Proposer:
Authorizers:
Gas used:
49