Flow price: --
c576b40964a9dbc7d301c0647e2f0d9cb3e196c83ccdaac19a685ef1d14542f6

Transaction

Hash: c576b40964a9dbc7d301c0647e2f0d9cb3e196c83ccdaac19a685ef1d14542f6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c576b40964a9dbc7d301c0647e2f0d9cb3e196c83ccdaac19a685ef1d14542f6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c576b40964a9dbc7d301c0647e2f0d9cb3e196c83ccdaac19a685ef1d14542f6
Status:
ERROR
Block height:
39975928
Block id:
c8d2a5fa750b3b112b83ecfefcdeacc100ec8fc64c193cc012023c2f017e5537
Timestamp:
Sunday 30 October 2022 at 08:08:17 UTC
()
Proposer:
Authorizers:
Gas used:
46