# Unable to compile the theme... ## Description You get the error message `Unable to compile the theme "TcinnThemeWare..."` in the theme configuration.

## Cause There are several possibilities here, because this error can be caused by an unknown variable in a configuration field or by an incorrectly filled configuration field. * Unable to compile the theme "TcinnThemeWare...". Undefined variable $... * Unable to compile the theme "TcinnThemeWare...". parse error: failed at $... In addition, there are new error messages due to the new validation of the theme configuration from Shopware 6.6.9: * Unable to compile the theme "TcinnThemeWare...". Error: argument \`$color\` of \`red($color)\` must be a color * Unable to compile the theme "TcinnThemeWare...". $color: 0 is not a color * Unable to compile the theme "TcinnThemeWare...". $color2: 0 is not a color ## Solution The part directly after the message `Unable to compile the theme "..."` is decisive. It says `Undefined variable $...` or `parse error: failed at $...` or a reference to the variable `$color` or `$color2`. #### Unable to compile the theme "TcinnThemeWare...". Undefined variable $... {% content-ref url="undefined-variable.md" %} [undefined-variable.md](undefined-variable.md) {% endcontent-ref %} #### Unable to compile the theme "TcinnThemeWare...". parse error: failed at $... {% content-ref url="parse-error.md" %} [parse-error.md](parse-error.md) {% endcontent-ref %} #### Unable to compile the theme "TcinnThemeWare...". Error: argument \`$color\` of \`red($color)\` must be a color {% content-ref url="error-argument-color.md" %} [error-argument-color.md](error-argument-color.md) {% endcontent-ref %} #### Unable to compile the theme "TcinnThemeWare...". $color: 0 is not a color {% content-ref url="color-0-is-not-a-color.md" %} [color-0-is-not-a-color.md](color-0-is-not-a-color.md) {% endcontent-ref %} #### Unable to compile the theme "TcinnThemeWare...". $color2: 0 is not a color {% content-ref url="color2-0-is-not-a-color.md" %} [color2-0-is-not-a-color.md](color2-0-is-not-a-color.md) {% endcontent-ref %}