hello Zen Gurus,
i wanna ask how to correct my modules.
i have clone and modified the standard Perweightunit shipping modules into my shipping perweightunit version
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total all of shipping modules in this picture is 28 modules.., the modified version shipping modules are working correctly (i have tested)



the problem is, when i added more modules exceeding 28 modules (29 modules)... the layout of the shipping modules changing into this screeen.
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i cant edit my shipping cost per unit because the option link to edit my shipping cost per unit is gone,,

thank for the reply