Flow price: --
1b4d13f313280d7e6095cb6df5c641f2ba3b14e1f246b627dd84197806528e14

Transaction

Hash: 1b4d13f313280d7e6095cb6df5c641f2ba3b14e1f246b627dd84197806528e14
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1b4d13f313280d7e6095cb6df5c641f2ba3b14e1f246b627dd84197806528e14:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1b4d13f313280d7e6095cb6df5c641f2ba3b14e1f246b627dd84197806528e14
Status:
ERROR
Block height:
40037267
Block id:
169a869b731a7d6f5de1e31f44ba748b11e6475941f91f118d4c0f4bc3c66e6a
Timestamp:
Monday 31 October 2022 at 08:37:37 UTC
()
Proposer:
Authorizers:
Gas used:
47