Flow price: --
3e91ab4e8a1bf6ed505a67cb21ad85a261bb29cffee7ed0c3bcbdfa3a4cd86d5

Transaction

Hash: 3e91ab4e8a1bf6ed505a67cb21ad85a261bb29cffee7ed0c3bcbdfa3a4cd86d5
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 3e91ab4e8a1bf6ed505a67cb21ad85a261bb29cffee7ed0c3bcbdfa3a4cd86d5:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
3e91ab4e8a1bf6ed505a67cb21ad85a261bb29cffee7ed0c3bcbdfa3a4cd86d5
Status:
ERROR
Block height:
40095774
Block id:
e8244a34e544fc51878c3bccf776f42e0da7fd0b732a0c9d4aef2e8d3d1a54fb
Timestamp:
Tuesday 1 November 2022 at 08:12:20 UTC
()
Proposer:
Authorizers:
Gas used:
46