Error after moving to a new server

Hi guys,

I'm getting an error after moving to a new server and i'm at a loss as to what exactly it is! Any kind pf pointers would be very gratefully received!

Warning: Cannot modify header information - headers already sent by (output started at /home/accountname/public_html/perch/templates/pages/quote.php:26) in /home/accountname/public_html/perch/core/lib/PerchSystem.class.php on line 197

Here is my diagnostics report:

PERCH INFORMATION

Perch Runway: 2.8.18
Production mode: Production (100)
Installed apps: content (2.8.18), assets (2.8.18), categories (2.8.18), quoteengine (1)
DB driver: PDO
DB tables: prss_backup_plans, prss_backup_resources, prss_backup_runs, prss_categories, prss_category_counts, prss_category_sets, prss_collection_index, prss_collection_items, prss_collection_revisions, prss_collections, prss_content_index, prss_content_items, prss_content_regions, prss_navigation, prss_navigation_pages, prss_page_routes, prss_page_templates, prss_pages, prss_quoteengine_emails, prss_quoteengine_floodpostcodes, prss_quoteengine_quotes, prss_quoteengine_users, prss_resource_log, prss_resource_tags, prss_resources, prss_resources_to_tags, prss_settings, prss_user_privileges, prss_user_role_privileges, prss_user_roles, prss_users
Users: 8
App runtimes:
<?php
    $apps_list = array(
        'content', 
        'categories',
        'quoteengine',
    );
Editor plug-ins: ckeditor, tinymce, redactor, markitup
H1: 19d7100ffa0872cc0c1dfc638d85fdef
L1: 314414b8b6f62f5d29a46e02a7325c3b
headerColour: #6cbd9c
content_singlePageEdit: 1
helpURL:
hideBranding: 1
content_collapseList: 1
lang: en-gb
update_2.8.6: done
headerScheme: dark
update_runway_2.8.6: done
latest_version: 2.8.15
on_sale_version: 2.8.29
content_hideNonEditableRegions: 1
content_frontend_edit: 1
dashboard: 0
hide_pwd_reset: 0
logoPath: /perch/resources/1444781985_1431957460_sitelogo.png
update_runway_2.8.7: done
update_2.8.7: done
update_runway_2.8.9: done
update_runway_2.8.13: done
siteURL: XXXX
update_runway_2.8.18: done
PERCH_DEVELOPMENT: 10
PERCH_STAGING: 50
PERCH_PRODUCTION: 100
PERCH_SITEPATH: /home/accountname/public_html
PERCH_SCHEDULE_SECRET: XXXX
PERCH_DB_USERNAME: XXXX
PERCH_DB_SERVER: localhost
PERCH_DB_DATABASE: XXXX
PERCH_DB_PREFIX: prss_
PERCH_EMAIL_FROM: info@XXXX
PERCH_EMAIL_FROM_NAME: XXXX
PERCH_LOGINPATH: /perch
PERCH_PATH: /home/accountname/public_html/perch
PERCH_CORE: /home/accountname/public_html/perch/core
PERCH_RESFILEPATH: /home/accountname/public_html/perch/resources
PERCH_RESPATH: /perch/resources
PERCH_HTML5: 1
PERCH_TZ: Europe/London
PERCH_DEBUG:
PERCH_SSL: 1
PERCH_RUNWAY: 1
PERCH_ERROR_MODE: DIE
PERCH_DATE_LONG: %d %B %Y
PERCH_DATE_SHORT: %d %b %Y
PERCH_TIME_SHORT: %H:%M
PERCH_TIME_LONG: %H:%M:%S
PERCH_PREVIEW_ARG: preview
PERCH_TEMPLATE_PATH: /home/accountname/public_html/perch/templates
PERCH_DEFAULT_DOC: index.php
PERCH_DEFAULT_EXT: .php
PERCH_PRODUCTION_MODE: 100
PERCH_RWD:
PERCH_HTML_ENTITIES:
PERCH_STRIPSLASHES:
PERCH_PROGRESSIVE_FLUSH: 1
PERCH_AUTH_PLUGIN:
PERCH_DB_CHARSET: utf8
PERCH_DB_PORT:
PERCH_DB_SOCKET:
PERCH_SESSION_TIMEOUT_MINS: 20
HOSTING SETTINGS

PHP: 5.5.35
Zend: 2.5.0
OS: Linux
SAPI: apache2handler
Safe mode: not detected
MySQL client: mysqlnd 5.0.11-dev - 20120503 - $Id: 15d5c781cfcad91193dceae1d2cdd127674ddb3e $
MySQL server: 5.6.30
Extensions: Core, date, ereg, libxml, openssl, pcre, sqlite3, zlib, bcmath, bz2, calendar, ctype, curl, dom, fileinfo, filter, ftp, gd, gettext, hash, iconv, SPL, json, mbstring, mcrypt, session, standard, mysqlnd, mysqli, Phar, posix, pspell, Reflection, mysql, SimpleXML, snmp, soap, sockets, imap, tidy, tokenizer, xml, xmlreader, xmlwriter, xsl, zip, apache2handler, PDO, pdo_sqlite, pdo_mysql, SourceGuardian, ionCube Loader
GD: Yes
ImageMagick: No
PHP max upload size: 128M
PHP max form post size: 8M
PHP memory limit: 1024M
Total max uploadable file size: 8M
Resource folder writeable: No
Session timeout: 24 minutes
Native JSON: Yes
Filter functions: Yes
Transliteration functions: No
UNIQUE_ID: V2sQSLl015EAAA-YUdoAAAAL
HTTPS: on
SSL_TLS_SNI: XXXX
HTTP_HOST: XXXX
HTTP_CONNECTION: keep-alive
HTTP_UPGRADE_INSECURE_REQUESTS: 1
HTTP_USER_AGENT: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36
HTTP_ACCEPT: text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
HTTP_REFERER: https://XXXX/perch/core/settings/diagnostics/
HTTP_ACCEPT_ENCODING: gzip, deflate, sdch, br
HTTP_ACCEPT_LANGUAGE: en-US,en;q=0.8,fr;q=0.6
HTTP_COOKIE: gwcc=%7B%22fallback%22%3A%2208001218748%22%2C%22clabel%22%3A%22TPT0CLbzumYQwZz91wM%22%2C%22backoff%22%3A86402%2C%22backoff_expires%22%3A1466715726%7D; cmsa=1; _gat=1; _ga=GA1.3.591325348.1462978438; cmssb=0; PHPSESSID=0f72a74db981439d4d81787180da9b39
PATH: /usr/local/jdk/bin:/usr/kerberos/sbin:/usr/kerberos/bin:/usr/lib/courier-imap/sbin:/usr/lib/courier-imap/bin:/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:/usr/local/bin:/usr/X11R6/bin:/root/bin:/opt/bin
LD_LIBRARY_PATH: /usr/local/apache/lib
SERVER_SOFTWARE: Apache
SERVER_NAME: XXXX
SERVER_ADDR: 185.116.215.145
SERVER_PORT: 443
REMOTE_ADDR: 90.212.66.119
DOCUMENT_ROOT: /home/accountname/public_html
REQUEST_SCHEME: https
CONTEXT_DOCUMENT_ROOT: /home/accountname/public_html
SERVER_ADMIN: webmaster@XXXX
SCRIPT_FILENAME: /home/accountname/public_html/perch/core/settings/diagnostics/index.php
REMOTE_PORT: 59192
GATEWAY_INTERFACE: CGI/1.1
SERVER_PROTOCOL: HTTP/1.1
REQUEST_METHOD: GET
QUERY_STRING: extended
REQUEST_URI: /perch/core/settings/diagnostics/?extended
SCRIPT_NAME: /perch/core/settings/diagnostics/index.php
PHP_SELF: /perch/core/settings/diagnostics/index.php
REQUEST_TIME_FLOAT: 1466634312.25
REQUEST_TIME: 1466634312
argc: 1