Flow price: --
b90dac3e32718b3fd56567b4d2106a88f416bc726b54913e26d3c2a74776c283

Transaction

Hash: b90dac3e32718b3fd56567b4d2106a88f416bc726b54913e26d3c2a74776c283
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b90dac3e32718b3fd56567b4d2106a88f416bc726b54913e26d3c2a74776c283:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b90dac3e32718b3fd56567b4d2106a88f416bc726b54913e26d3c2a74776c283
Status:
ERROR
Block height:
40116721
Block id:
65dbe1d11be2facfc607657434f5f69cc6b26aca93aae581d41b7fa93f669f3e
Timestamp:
Tuesday 1 November 2022 at 16:40:57 UTC
()
Proposer:
Authorizers:
Gas used:
46