Flow price: --
9a46c21fba22b3e3f9004b8f4841fb958add7d687fa7b01aa894c7436dd06580

Transaction

Hash: 9a46c21fba22b3e3f9004b8f4841fb958add7d687fa7b01aa894c7436dd06580
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 9a46c21fba22b3e3f9004b8f4841fb958add7d687fa7b01aa894c7436dd06580:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
9a46c21fba22b3e3f9004b8f4841fb958add7d687fa7b01aa894c7436dd06580
Status:
ERROR
Block height:
39873767
Block id:
6088fe372d9b00f8ebbe16fc6b802834e6f16be6b639a43a1a15794327fecfdd
Timestamp:
Friday 28 October 2022 at 15:20:18 UTC
()
Proposer:
Authorizers:
Gas used:
47