Hello.
I am installed the plugin.
I have payed a licence. But I have php error in my website.

I have created two folder with 777 permision as temp and tmp

This is the PHP
(/usr/home/dstfotografia.com/:/home/dstfotografia.com/:/usr/home/services/:/usr/share/php56/) in /usr/home/dstfotografia.com/web/wp-content/plugins/formidablepro-2-pdf/fpropdf.php on line 142

Under the hood
Site URL: https://dstfotografia.com/
Plugin folder: formidablepro-2-pdf
PHP version: 5.6.32
WP version: 4.3.1
FrmAppHelper: Yes
Trial: No
PDFTK: No
System: No
CURL: 7.26.0
CURL error: No
CURL test: Yes
PHP Extensions: Core, date, ereg, libxml, openssl, pcre, sqlite3, zlib, bcmath, bz2, calendar, ctype, curl, dom, hash, fileinfo, filter, ftp, gd, gettext, SPL, iconv, session, intl, json, mbstring, mcrypt, mssql, standard, mysqlnd, mysqli, odbc, mysql, PDO, pdo_dblib, pdo_mysql, PDO_ODBC, pdo_pgsql, pdo_sqlite, pgsql, Phar, Reflection, imap, shmop, SimpleXML, soap, sockets, exif, sysvmsg, sysvsem, sysvshm, tokenizer, wddx, xml, xmlreader, xmlrpc, xmlwriter, xsl, zip, cgi-fcgi, dba, geoip, imagick, uploadprogress, suhosin, PDFlib, ming, ionCube Loader, Zend Guard Loader, Zend OPcache, SourceGuardian
Plugins: ACF-Image-Select-master/acf-image-select.php, accesspress-social-share/accesspress-social-share.php, advanced-custom-field-repeater-collapser/acf_repeater_collapser.php, advanced-custom-fields-row-field/acf-row.php, advanced-custom-fields/acf.php, formidable/formidable.php, formidablepro-2-pdf/fpropdf.php, intuitive-custom-post-order/intuitive-custom-post-order.php, recent-posts-widget-extended/rpwe.php, simple-image-widget/simple-image-widget.php, siteorigin-panels/siteorigin-panels.php, so-widgets-bundle/so-widgets-bundle.php, wordpress-importer/wordpress-importer.php, wordpress-seo/wp-seo.php

/usr/home/dstfotografia.com/web/wp-content/plugins/formidablepro-2-pdf/fields is writable: Yes
/usr/home/dstfotografia.com/web/wp-content/plugins/formidablepro-2-pdf/fields can have files: Yes
/usr/home/dstfotografia.com/web/wp-content/plugins/formidablepro-2-pdf/fields write successful: Yes
/usr/home/dstfotografia.com/web/wp-content/plugins/formidablepro-2-pdf/fields delete successful: Yes
is writable: No
can have files: No
write successful: No
delete successful: Yes
/usr/home/dstfotografia.com/web/wp-content/uploads/fpropdf-forms is writable: Yes
/usr/home/dstfotografia.com/web/wp-content/uploads/fpropdf-forms can have files: Yes
/usr/home/dstfotografia.com/web/wp-content/uploads/fpropdf-forms write successful: Yes
/usr/home/dstfotografia.com/web/wp-content/uploads/fpropdf-forms delete successful: Yes