Flow price: --
640f19d7c8021ca5fa671b730e97819f61e47f11e4648ac67728f6e4aef8fe2a

Transaction

Hash: 640f19d7c8021ca5fa671b730e97819f61e47f11e4648ac67728f6e4aef8fe2a
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 640f19d7c8021ca5fa671b730e97819f61e47f11e4648ac67728f6e4aef8fe2a: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:
640f19d7c8021ca5fa671b730e97819f61e47f11e4648ac67728f6e4aef8fe2a
Status:
ERROR
Block height:
40107461
Block id:
71bba04a9e90784f900350ff0bd6de5fa329f44f87d9da709096ea2ee5cf2dff
Timestamp:
Tuesday 1 November 2022 at 12:56:23 UTC
()
Proposer:
Authorizers:
Gas used:
62