Flow price: --
21da17b2298499ce04adfd4f0c3e64575460ce96877145d92bd9072003d85c37

Transaction

Hash: 21da17b2298499ce04adfd4f0c3e64575460ce96877145d92bd9072003d85c37
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 21da17b2298499ce04adfd4f0c3e64575460ce96877145d92bd9072003d85c37:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
21da17b2298499ce04adfd4f0c3e64575460ce96877145d92bd9072003d85c37
Status:
ERROR
Block height:
40127598
Block id:
e157dd3857863b9515fc6d921a82c6d0f0390c2336248bd9f3af18622150da4f
Timestamp:
Tuesday 1 November 2022 at 21:07:14 UTC
()
Proposer:
Authorizers:
Gas used:
50