This is the technical support forum for WPML - the multilingual WordPress plugin.
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This thread is resolved. Here is a description of the problem and solution.
Problem: The user was having some issues with the shipping cost calculation. The issue was random and could be reproduced by playing with quantities in the Cart page or by plying with address in cart and checkout page Solution: There were some prices differences between a translation that might have interfered with the shipping cost calculation. After fixing prices the issue was not noticed anymore.