Flow price: --
b6283e678b7ea467761711fb7187b70fd1d8dcbdee736e6980d1e41fdd93a052

Transaction

Hash: b6283e678b7ea467761711fb7187b70fd1d8dcbdee736e6980d1e41fdd93a052
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b6283e678b7ea467761711fb7187b70fd1d8dcbdee736e6980d1e41fdd93a052:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b6283e678b7ea467761711fb7187b70fd1d8dcbdee736e6980d1e41fdd93a052
Status:
ERROR
Block height:
39956155
Block id:
b8de8b98235580c7bfe7722c8da7d5d3edc41fd9adc00bbb46af339085a2127d
Timestamp:
Sunday 30 October 2022 at 00:14:33 UTC
()
Proposer:
Authorizers:
Gas used:
49