Flow price: --
38c9998831f9a094d0aa63a926e93350aa82a6a05beff4696de2d9eadab33fbc

Transaction

Hash: 38c9998831f9a094d0aa63a926e93350aa82a6a05beff4696de2d9eadab33fbc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 38c9998831f9a094d0aa63a926e93350aa82a6a05beff4696de2d9eadab33fbc: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:
38c9998831f9a094d0aa63a926e93350aa82a6a05beff4696de2d9eadab33fbc
Status:
ERROR
Block height:
40140327
Block id:
4a47fe429e42ee3358cbfa802a37a2fce9f7c68f8f0fc11f99d134726c0b61b8
Timestamp:
Wednesday 2 November 2022 at 02:18:47 UTC
()
Proposer:
Authorizers:
Gas used:
47