Flow price: --
b9745b1769e7b18a713516afca79919adde20b8b0748ebdee3e97b0be671884b

Transaction

Hash: b9745b1769e7b18a713516afca79919adde20b8b0748ebdee3e97b0be671884b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b9745b1769e7b18a713516afca79919adde20b8b0748ebdee3e97b0be671884b: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:
b9745b1769e7b18a713516afca79919adde20b8b0748ebdee3e97b0be671884b
Status:
ERROR
Block height:
40047027
Block id:
4a6d1aacba1474824ccde2222efd753994f554f45338018eac36bc44292c06b1
Timestamp:
Monday 31 October 2022 at 12:34:19 UTC
()
Proposer:
Authorizers:
Gas used:
50