Flow price: --
73d4d1580f26329186e8f1ab0f14a9271bb5edbb6ee34ba22c3c677eebb60689

Transaction

Hash: 73d4d1580f26329186e8f1ab0f14a9271bb5edbb6ee34ba22c3c677eebb60689
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 73d4d1580f26329186e8f1ab0f14a9271bb5edbb6ee34ba22c3c677eebb60689:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
73d4d1580f26329186e8f1ab0f14a9271bb5edbb6ee34ba22c3c677eebb60689
Status:
ERROR
Block height:
39918845
Block id:
f5703b9fc81f5f6bd9c963a66ea336806083285c5da99dbe9417b06608a28ff3
Timestamp:
Saturday 29 October 2022 at 09:19:07 UTC
()
Proposer:
Authorizers:
Gas used:
50