Unreal 5.4.2 Sandox Errors

[Tidybeaver]

Hiya,

Getting these errors in Unreal 5.4.2. Tried building, Cleaning etc and has done the same on Both Windows and Mac is there any fix for this please?

In use pin  In Str  no longer exists on node  Conv String to Bytes . Please refresh node or break links to remove pin.
In use pin  Return Value  no longer exists on node  Conv String to Bytes . Please refresh node or break links to remove pin.
Could not find a function named "Conv_StringToBytes" in 'Sandbox'.
Make sure 'Sandbox' has been compiled for  Conv String to Bytes
In use pin  In Str  no longer exists on node  Conv String to Bytes . Please refresh node or break links to remove pin.
In use pin  Return Value  no longer exists on node  Conv String to Bytes . Please refresh node or break links to remove pin.
Could not find a function named "Conv_StringToBytes" in 'Sandbox'.
Make sure 'Sandbox' has been compiled for  Conv String to Bytes
In use pin  <Unnamed>  no longer exists on node  Execute SDKFunction . Please refresh node or break links to remove pin.
In use pin  Method  no longer exists on node  Execute SDKFunction . Please refresh node or break links to remove pin.
Could not find a function named "ExecuteSDKFunction" in 'Sandbox'.
Make sure 'Sandbox' has been compiled for  Execute SDKFunction
In use pin  <Unnamed>  no longer exists on node  Execute SDKFunction . Please refresh node or break links to remove pin.
In use pin  Method  no longer exists on node  Execute SDKFunction . Please refresh node or break links to remove pin.
Could not find a function named "ExecuteSDKFunction" in 'Sandbox'.
Make sure 'Sandbox' has been compiled for  Execute SDKFunction
In use pin  <Unnamed>  no longer exists on node  Message Read String . Please refresh node or break links to remove pin.
In use pin  <Unnamed>  no longer exists on node  Message Read String . Please refresh node or break links to remove pin.
In use pin  Message  no longer exists on node  Message Read String . Please refresh node or break links to remove pin.
In use pin  String Length  no longer exists on node  Message Read String . Please refresh node or break links to remove pin.
In use pin  Return Value  no longer exists on node  Message Read String . Please refresh node or break links to remove pin.
Could not find a function named "Message_ReadString" in 'Sandbox'.
Make sure 'Sandbox' has been compiled for  Message Read String
In use pin  <Unnamed>  no longer exists on node  Send Data . Please refresh node or break links to remove pin.
In use pin  Target  no longer exists on node  Send Data . Please refresh node or break links to remove pin.
In use pin  Connection Id  no longer exists on node  Send Data . Please refresh node or break links to remove pin.
In use pin  Data to Send  no longer exists on node  Send Data . Please refresh node or break links to remove pin.
Could not find a function named "SendData" in 'Sandbox'.
Make sure 'Sandbox' has been compiled for  Send Data
In use pin  <Unnamed>  no longer exists on node  Connect . Please refresh node or break links to remove pin.
In use pin  Target  no longer exists on node  Connect . Please refresh node or break links to remove pin.
Input pin  Ip Address  specifying non-default value no longer exists on node  Connect . Please refresh node or reset pin to default value to remove pin.
Input pin  Port  specifying non-default value no longer exists on node  Connect . Please refresh node or reset pin to default value to remove pin.
In use pin  On Disconnected  no longer exists on node  Connect . Please refresh node or break links to remove pin.
In use pin  On Connected  no longer exists on node  Connect . Please refresh node or break links to remove pin.
In use pin  On Message Received  no longer exists on node  Connect . Please refresh node or break links to remove pin.
Could not find a function named "Connect" in 'Sandbox'.
Make sure 'Sandbox' has been compiled for  Connect
In use pin  <Unnamed>  no longer exists on node  Message Read String . Please refresh node or break links to remove pin.
In use pin  <Unnamed>  no longer exists on node  Message Read String . Please refresh node or break links to remove pin.
In use pin  Message  no longer exists on node  Message Read String . Please refresh node or break links to remove pin.
In use pin  String Length  no longer exists on node  Message Read String . Please refresh node or break links to remove pin.
In use pin  Return Value  no longer exists on node  Message Read String . Please refresh node or break links to remove pin.
Could not find a function named "Message_ReadString" in 'Sandbox'.
Make sure 'Sandbox' has been compiled for  Message Read String
In use pin  <Unnamed>  no longer exists on node  Send Data . Please refresh node or break links to remove pin.
In use pin  Target  no longer exists on node  Send Data . Please refresh node or break links to remove pin.
In use pin  Connection Id  no longer exists on node  Send Data . Please refresh node or break links to remove pin.
In use pin  Data to Send  no longer exists on node  Send Data . Please refresh node or break links to remove pin.
Could not find a function named "SendData" in 'Sandbox'.
Make sure 'Sandbox' has been compiled for  Send Data
Node  Unknown  is not referencing a valid level actor
Node  Unknown  is not referencing a valid level actor

Thanks for any help

[BifrostTitan]

Have you tried installing the plugin from the Unreal Marketplace or from the source?