Flow price: --
58c64e66006b6459ea7baa8094686559733b2e12e7bd826af7f0070dc584c3ba

Transaction

Hash: 58c64e66006b6459ea7baa8094686559733b2e12e7bd826af7f0070dc584c3ba
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 58c64e66006b6459ea7baa8094686559733b2e12e7bd826af7f0070dc584c3ba: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:
58c64e66006b6459ea7baa8094686559733b2e12e7bd826af7f0070dc584c3ba
Status:
ERROR
Block height:
39862589
Block id:
202e0c4aeecea59429c42cb23d375440f385cbfa526c77691ceae7cd2833ffd0
Timestamp:
Friday 28 October 2022 at 10:51:02 UTC
()
Proposer:
Authorizers:
Gas used:
50