Flow price: --
1171fa5f228be532074a28de514fe494bd7cb5960d5e3a67ea300e7136ba2f45

Transaction

Hash: 1171fa5f228be532074a28de514fe494bd7cb5960d5e3a67ea300e7136ba2f45
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 1171fa5f228be532074a28de514fe494bd7cb5960d5e3a67ea300e7136ba2f45:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
1171fa5f228be532074a28de514fe494bd7cb5960d5e3a67ea300e7136ba2f45
Status:
ERROR
Block height:
40120479
Block id:
0ea552cb01de11df3a30765d92acc66faab2720ffda76b301339c433515f9a43
Timestamp:
Tuesday 1 November 2022 at 18:12:43 UTC
()
Proposer:
Authorizers:
Gas used:
46