500 && ! empty( wplng_get_translation_count() ) && ! empty( wplng_get_slug_count() ) ) { wplng_register_part_incompatible_db(); return; } // Initialize variables $mail = ''; $api_key = wplng_get_api_key(); $json_request_key = get_option( 'wplng_request_free_key' ); $error_validation = get_transient( 'wplng_api_key_error' ); $error_validation = sanitize_text_field( $error_validation ); // Clear any existing API key data delete_option( 'wplng_api_key_data' ); // Handle API key error validation if ( ! empty( $error_validation ) && is_string( $error_validation ) ) : // Clear the transient storing the error message delete_transient( 'wplng_api_key_error' ); // Display the error message $message = ''; $message .= __( 'Message: ', 'wplingua' ); $message .= $error_validation; ?>





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