Google console problem

When I try to link site maps it says there is a problem with my robots.txt where there isn’t (I dont think):
User-agent: *
Disallow: /wp-admin/
Allow: /wp-admin/admin-ajax.php


I think its something to do with my .htaccess? any help appreciated. Thanks

# Use PHP5.4 Single php.ini as default
AddHandler application/x-httpd-php54s .php

# BEGIN WordPress
AddHandler application/x-httpd-php70s .php
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^/wp-content/endurance-page-cache/ - [L]
RewriteCond %{REQUEST_METHOD} !POST
RewriteCond %{QUERY_STRING} !.*=.*
RewriteCond %{HTTP_COOKIE} !(wordpress_test_cookie|comment_author|wp\-postpass|wordpress_logged_in|wptouch_switch_toggle|wp_woocommerce_session_) [NC]
RewriteCond %{DOCUMENT_ROOT}/wp-content/endurance-page-cache/$1/_index.html -f
RewriteRule ^(.*)$ /wp-content/endurance-page-cache/$1/_index.html [L]
</IfModule>
<IfModule mod_expires.c>
ExpiresActive On
ExpiresByType image/jpg "access plus 1 year"
ExpiresByType image/jpeg "access plus 1 year"
ExpiresByType image/gif "access plus 1 year"
ExpiresByType image/png "access plus 1 year"
ExpiresByType text/css "access plus 1 month"
ExpiresByType application/pdf "access plus 1 month"
ExpiresByType text/javascript "access plus 1 month"
ExpiresByType image/x-icon "access plus 1 year"
ExpiresDefault "access plus 1 weeks"
</IfModule>
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>