Fix term insertion when auto-generated slug exceeds 200 chars to avoid db insert errors (Ticket #46010)

Author: NikunjRajpara

src/wp-includes/taxonomy.php

@@ -2574,6 +2574,11 @@ function wp_insert_term( $term, $taxonomy, $args = array() ) {
 
 	$slug = wp_unique_term_slug( $slug, (object) $args );
 
+	// Truncate the slug if it's longer than 200 characters to avoid DB errors (see #46010).
+		if ( strlen( $slug ) > 200 ) {
+		$slug = substr( $slug, 0, 200 );
+		}
+
 	$data = compact( 'name', 'slug', 'term_group' );
 
 	/**