Flow price: --
569365f7699e88bb76bdfaab31f512aa92d9cc7f892a999aa4d50b1fbd7caac7

Transaction

Hash: 569365f7699e88bb76bdfaab31f512aa92d9cc7f892a999aa4d50b1fbd7caac7
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 569365f7699e88bb76bdfaab31f512aa92d9cc7f892a999aa4d50b1fbd7caac7:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
569365f7699e88bb76bdfaab31f512aa92d9cc7f892a999aa4d50b1fbd7caac7
Status:
ERROR
Block height:
40003686
Block id:
408f7f5ff944be96a4433d32b5bf996a717f17166b64b8e688f61d19b85d5292
Timestamp:
Sunday 30 October 2022 at 19:14:41 UTC
()
Proposer:
Authorizers:
Gas used:
47