Flow price: --
cae104e2ea9486cf89a78ff63139b008e02aa31e6c6b973295839ff1e8744e88

Transaction

Hash: cae104e2ea9486cf89a78ff63139b008e02aa31e6c6b973295839ff1e8744e88
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cae104e2ea9486cf89a78ff63139b008e02aa31e6c6b973295839ff1e8744e88:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
cae104e2ea9486cf89a78ff63139b008e02aa31e6c6b973295839ff1e8744e88
Status:
ERROR
Block height:
40106367
Block id:
f18bfad3ec146c9fdc6846f9b1c528ca362da3ef8ce2cb705e45b08b5152df12
Timestamp:
Tuesday 1 November 2022 at 12:29:44 UTC
()
Proposer:
Authorizers:
Gas used:
47