# Technical Limitation
# Knowledge base content limitations
- Maximum number of alternatives: 99
- Maximum number of conversation trees: 399
- Maximum number of characters in the questions (principal questions + alternatives): 1000
- Maximum number of characters in the answers: 5000
- Maximum number of questions and answers in the knowledge base: 1000
# Browser version
The platform is compatible with the following browser versions:
- Chrome 70 +
- Internet Explorer 11.254 (Windows 10 version only, Windows 7 version is not supported)
- Firefox 63 +
- Microsoft Edge 44 +