Flow price: --
0e7990eb214cb85063a1772ead1aec173d43f21780dabc58fe8822074aebc577

Transaction

Hash: 0e7990eb214cb85063a1772ead1aec173d43f21780dabc58fe8822074aebc577
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0e7990eb214cb85063a1772ead1aec173d43f21780dabc58fe8822074aebc577:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
0e7990eb214cb85063a1772ead1aec173d43f21780dabc58fe8822074aebc577
Status:
ERROR
Block height:
39978160
Block id:
762bbee7c46465f1e9dac36f3c974b8e7b5c9e17abe45252e54e208490689047
Timestamp:
Sunday 30 October 2022 at 09:01:31 UTC
()
Proposer:
Authorizers:
Gas used:
49