Flow price: --
b299f7ef7a34cc2064649e4f3db441ffda4c6e139d9b12217fff45a1925a61f7

Transaction

Hash: b299f7ef7a34cc2064649e4f3db441ffda4c6e139d9b12217fff45a1925a61f7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b299f7ef7a34cc2064649e4f3db441ffda4c6e139d9b12217fff45a1925a61f7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b299f7ef7a34cc2064649e4f3db441ffda4c6e139d9b12217fff45a1925a61f7
Status:
ERROR
Block height:
40158084
Block id:
4141147fcdb5bd5f998a6ae3785e9197b07386fa4efca73275361be0dde67c20
Timestamp:
Wednesday 2 November 2022 at 09:31:24 UTC
()
Proposer:
Authorizers:
Gas used:
46