Flow price: --
a87e0ad3ff6a9916a79daf7c91f54996f8d703a145ee227961423c5954c072c4

Transaction

Hash: a87e0ad3ff6a9916a79daf7c91f54996f8d703a145ee227961423c5954c072c4
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a87e0ad3ff6a9916a79daf7c91f54996f8d703a145ee227961423c5954c072c4:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a87e0ad3ff6a9916a79daf7c91f54996f8d703a145ee227961423c5954c072c4
Status:
ERROR
Block height:
40133881
Block id:
da5c3a58dd3914f4c089bfc6b5d6c1d3e7269f3dc4713b68cac7eeb38465caf3
Timestamp:
Tuesday 1 November 2022 at 23:42:01 UTC
()
Proposer:
Authorizers:
Gas used:
48