How to resolve "No Default Proposals" error message
Last updated: November 2025
Condition
You may encounter the error "No Default Proposals" message when typing keywords in Katalon Studio Script view. This issue typically appears during auto-completion and expecting keyword suggestions (for example, typing WebUI.).
Cause
This issue occurs because the Content Assist settings Katalon Studio System settings are not configured properly.
Solution
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Open Katalon Studio Settings.
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Navigate to Java → Editor → Content Assist → Advanced.
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Under Default Proposal Kinds, make sure all checkboxes are enabled.
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In the same Content Assist settings window, increase the Auto activation delay (ms) value to
700.
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Click Apply and Close.
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In your Script editor, type
WebUI.and wait briefly.The auto-complete proposals should now appear again.