accessibility issue

when I check my website with achecker.org I got an accessibility issue.
how to fix? The error:
1.3 Adaptable: Create content that can be presented in different ways (for example simpler layout) without losing information or structure.

Success Criteria 1.3.1 Info and Relationships (A)

Check 119: input element, type of “checkbox”, missing an associated label.
Repair: Add a label element that surrounds the control’s label. Set the for attribute on the label element to the same value as the id attribute of the control. And/or add a title attribute to the input element. And/or create a label element that contains the input element.
Error Line 1341, Column 41:
<input type="checkbox" name="wcb_gdpr_checkbox"
class …
Check 206: input element, type of "checkbox", has no text in label.
Repair: Add text to the input element's associated label that describes the purpose or function of the control.
Error Line 1341, Column 41:
<input type="checkbox" name="wcb_gdpr_checkbox"
class …