Flow price: --
80d14af200af3b10ebdbeeb295cbb4c938d54d305049d7128b9ad9170622c475

Transaction

Hash: 80d14af200af3b10ebdbeeb295cbb4c938d54d305049d7128b9ad9170622c475
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 80d14af200af3b10ebdbeeb295cbb4c938d54d305049d7128b9ad9170622c475:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
80d14af200af3b10ebdbeeb295cbb4c938d54d305049d7128b9ad9170622c475
Status:
ERROR
Block height:
39845547
Block id:
7788206a3c41cbb6a22608fd98699498968cfc782e91f63dc25c58d5eacca4cb
Timestamp:
Friday 28 October 2022 at 03:57:57 UTC
()
Proposer:
Authorizers:
Gas used:
47