Flow price: --
13e52b714eadcbd8e0697a7ece3af982799fd0184cac984ad655c1c41edeec20

Transaction

Hash: 13e52b714eadcbd8e0697a7ece3af982799fd0184cac984ad655c1c41edeec20
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 13e52b714eadcbd8e0697a7ece3af982799fd0184cac984ad655c1c41edeec20:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
13e52b714eadcbd8e0697a7ece3af982799fd0184cac984ad655c1c41edeec20
Status:
ERROR
Block height:
39764051
Block id:
863f21f846bf03daff89ce4bf8d3b60a9ec9421219dee03025ce2a14fad40083
Timestamp:
Wednesday 26 October 2022 at 19:06:58 UTC
()
Proposer:
Authorizers:
Gas used:
50