Flow price: --
2491cb17b7ead7df1388ce90fcc1b6d9d9069399277e315c94e5c81f48f77367

Transaction

Hash: 2491cb17b7ead7df1388ce90fcc1b6d9d9069399277e315c94e5c81f48f77367
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2491cb17b7ead7df1388ce90fcc1b6d9d9069399277e315c94e5c81f48f77367:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2491cb17b7ead7df1388ce90fcc1b6d9d9069399277e315c94e5c81f48f77367
Status:
ERROR
Block height:
39871513
Block id:
d600dd8364841230a4926bebffaf055c8484468fad23e5ecd1f789033ecf9733
Timestamp:
Friday 28 October 2022 at 14:26:25 UTC
()
Proposer:
Authorizers:
Gas used:
50