Vantage Filter definition error "Message cannot be sent. Message too long." when Filter Definition is more than 1900 characters in the windows client or "Out of memory" when filter is more than 1895 characters in the web client.
Following is the screen shot from the customer from Windows client.
Following is the error from Web Client using Chrome browser. The error is Out of Memory.
Release : 14.1 - patch5
Windows client and Web Client
The above error is displayed when Filter Definition is more than 1900 characters in the windows client or 1895 characters in the Web Client.
For an external filter, the limits is 1895 characters with Web Client and 1900 characters is with the Web Client. As a work around, create an "external filter/class" then save it, and then use "insert class" to load the filter.
Refer the tech docs Windows client External Filter/Class Manager in Windows Client and Use the External Filter Library for additional details.