Flow price: --
241e035f8ee184555b569ee1b5a481d0c101665151bcc6f048b5342ba0658427

Transaction

Hash: 241e035f8ee184555b569ee1b5a481d0c101665151bcc6f048b5342ba0658427
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 241e035f8ee184555b569ee1b5a481d0c101665151bcc6f048b5342ba0658427:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
241e035f8ee184555b569ee1b5a481d0c101665151bcc6f048b5342ba0658427
Status:
ERROR
Block height:
40117203
Block id:
71548f02c394919722ba82a082b59fab7b72dd844ecdd6a6154836b3af42fc71
Timestamp:
Tuesday 1 November 2022 at 16:53:14 UTC
()
Proposer:
Authorizers:
Gas used:
49