Flow price: --
72a272e039e9f9920038e55cb24e3930a55ad9ae7c932d3e372e90e6c0475ebb

Transaction

Hash: 72a272e039e9f9920038e55cb24e3930a55ad9ae7c932d3e372e90e6c0475ebb
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 72a272e039e9f9920038e55cb24e3930a55ad9ae7c932d3e372e90e6c0475ebb: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:
72a272e039e9f9920038e55cb24e3930a55ad9ae7c932d3e372e90e6c0475ebb
Status:
ERROR
Block height:
39971885
Block id:
16221971b7fb5f768e4350a07357f2203b7723392629afada709c1d564cd9948
Timestamp:
Sunday 30 October 2022 at 06:30:58 UTC
()
Proposer:
Authorizers:
Gas used:
48