The main class, the Blank_Theme class should be in snake-case with capitalized letters since it's a class. It's BLANK_THEME currently. The namespace also seems to have an incorrect value. Skim through the class names in the files and ensure classes and namespaces are named correctly.
Summary
The main class, the
Blank_Themeclass should be in snake-case with capitalized letters since it's a class. It'sBLANK_THEMEcurrently. The namespace also seems to have an incorrect value. Skim through the class names in the files and ensure classes and namespaces are named correctly.References