Flow price: --
299fe95b029701083155adfad49fd9cfb1a05b57caf533a3e53e0552d78b2a9e

Transaction

Hash: 299fe95b029701083155adfad49fd9cfb1a05b57caf533a3e53e0552d78b2a9e
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 299fe95b029701083155adfad49fd9cfb1a05b57caf533a3e53e0552d78b2a9e: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:
299fe95b029701083155adfad49fd9cfb1a05b57caf533a3e53e0552d78b2a9e
Status:
ERROR
Block height:
40076358
Block id:
236adb60ef30040018eeea33e12e0a0cf71f5ec47dbac5c89659c675376f07f0
Timestamp:
Tuesday 1 November 2022 at 00:20:23 UTC
()
Proposer:
Authorizers:
Gas used:
50