Flow price: --
59c6aae8767cd546b2a39e496a1166a66514cdc69a2f258b01e17fb33bb3882f

Transaction

Hash: 59c6aae8767cd546b2a39e496a1166a66514cdc69a2f258b01e17fb33bb3882f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 59c6aae8767cd546b2a39e496a1166a66514cdc69a2f258b01e17fb33bb3882f: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:
59c6aae8767cd546b2a39e496a1166a66514cdc69a2f258b01e17fb33bb3882f
Status:
ERROR
Block height:
39772255
Block id:
bd425e8db87cfbd19411e701e02e7c942468ea43d7522470c87cdfd9766d90ab
Timestamp:
Wednesday 26 October 2022 at 22:24:50 UTC
()
Proposer:
Authorizers:
Gas used:
49