When using a generated URL integration where the LC and Q parameters are encoded, but not encrypted, you get the following error, 

Status:400 - Bad Request
Integrations do not support cleartext authentication parameters (lc) anymore. Using cleartext authentication has been switched off because it can have a negative impact on security. As replacement, consider using encrypted parameters (ep) when generating integration URLs.

Since DocuWare 7.1, encryption is required, so the following can be done in order to create a URL which uses encryption. 

The following articles goes over creating a encrypted URL depending on the language used;

Following either of these approaches will yield an encrypted URL that can be used.

KBA applicable for both Cloud and On-premise Organizations.