Answers.Body: <p>You can install the rc for 4.7.30 which is what I recommend - it's at download.civicrm.org/latest</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2018-01-16T08:57:42.173Z
Answers.LastActivityDate: 2018-01-16T08:57:42.173Z
Answers.UserDisplayName: user4278
Answers.Body: <p>You're experiencing the bug documented at <a href="https://issues.civicrm.org/jira/browse/CRM-21595" rel="nofollow noreferrer">CRM-21595</a>.  You will need to apply the <a href="https://github.com/civicrm/civicrm-core/pull/11454/files" rel="nofollow noreferrer">patch</a> or wait for CiviCRM 4.7.30.</p>
  
  <p>Most people won't experience this bug if they disable "Pay Later" as an option.</p>
  
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2018-01-24T10:48:42.697Z
Answers.Text: Phew, that worked for me too
Answers.UserDisplayName: Jon-man
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2018-02-01T05:12:31.060Z
Answers.Text: Weehaww! Worked for me. No "Pay Later" on my configs, but still got the bug. Applied patch and everything is back to normal! Thanks, Jon!
Answers.UserDisplayName: John Richardson
Answers.ContentLicense: CC BY-SA 3.0
Answers.CreationDate: 2018-01-03T23:51:59.753Z
Answers.LastActivityDate: 2018-01-03T23:51:59.753Z
Answers.UserDisplayName: Jon G - Megaphone Tech
Body: <p>Using the payment processor PayPal_Standard on a fresh install of CiviCRM Version 4.7.29 (with Wordpress 4.9.1 on Centos 7.4) breaks all contribution pages where PayPal is enabled. The result is a blank page. In the Apache error log there is:</p>
  
  <p><code>PHP Fatal error:  require_once(): Failed opening required 'CRM/Core/.php' (include_path='.:/somedir/wp-content/plugins/civicrm/civicrm:/somedir/wp-content/plugins/civicrm/civicrm/packages:/somedir/wp-content/plugins/civicrm/civicrm/vendor/tecnickcom:/somedir/wp-content/plugins/civicrm/civicrm/vendor/phpseclib/phpseclib/phpseclib:/somedir/wp-content/plugins/civicrm/civicrm/vendor/pear/pear_exception:/somedir/wp-content/plugins/civicrm/civicrm/vendor/pear/auth_sasl:/somedir/wp-content/plugins/civicrm/civicrm/vendor/pear/net_socket:/somedir/wp-content/plugins/civicrm/civicrm/vendor/pear/net_smtp:/somedir/wp-content/plugins/civicrm/civicrm/ve in /somedir/wp-content/plugins/civicrm/civicrm/Civi/Payment/System.php on line 59, referer: https://someurl/civicrm/?page=CiviCRM&amp;q=civicrm/contribute/transact&amp;reset=1&amp;id=1</code></p>
  
  <p>When disabling PayPal (= pay later) the contribution pages work fine.</p>
  
  <p>Any ideas what might be going wrong here? </p>
  
Tags: <payment-processor><contribution-page><paypal>
Title: Fatal error using Paypal in Version 4.7.29
ThreadText: # Fatal error using Paypal in Version 4.7.29
  
  (Asked by: username_0 on 2018-01-03)
  
  Using the payment processor PayPal\_Standard on a fresh install of CiviCRM Version 4.7.29 (with Wordpress 4.9.1 on Centos 7.4) breaks all contribution pages where PayPal is enabled. The result is a blank page. In the Apache error log there is:
  
  `PHP Fatal error: require_once(): Failed opening required 'CRM/Core/.php' (include_path='.:/somedir/wp-content/plugins/civicrm/civicrm:/somedir/wp-content/plugins/civicrm/civicrm/packages:/somedir/wp-content/plugins/civicrm/civicrm/vendor/tecnickcom:/somedir/wp-content/plugins/civicrm/civicrm/vendor/phpseclib/phpseclib/phpseclib:/somedir/wp-content/plugins/civicrm/civicrm/vendor/pear/pear_exception:/somedir/wp-content/plugins/civicrm/civicrm/vendor/pear/auth_sasl:/somedir/wp-content/plugins/civicrm/civicrm/vendor/pear/net_socket:/somedir/wp-content/plugins/civicrm/civicrm/vendor/pear/net_smtp:/somedir/wp-content/plugins/civicrm/civicrm/ve in /somedir/wp-content/plugins/civicrm/civicrm/Civi/Payment/System.php on line 59, referer: https://someurl/civicrm/?page=CiviCRM&q=civicrm/contribute/transact&reset=1&id=1`
  
  When disabling PayPal (= pay later) the contribution pages work fine.
  
  Any ideas what might be going wrong here?
  
  **Tags:** payment-processor, contribution-page, paypal
  
  
  ---
  
  ## 2 answers
  
  ### Answer by username_2 on 2018-01-03. Score: 3 | Accepted answer
  
  You're experiencing the bug documented at [CRM-21595](https://issues.civicrm.org/jira/browse/CRM-21595). You will need to apply the [patch](https://github.com/civicrm/civicrm-core/pull/11454/files) or wait for CiviCRM 4.7.30.
  
  Most people won't experience this bug if they disable "Pay Later" as an option.
  
  > **Comments:**
  > **username_3**: Phew, that worked for me too  
  > **username_4**: Weehaww! Worked for me. No "Pay Later" on my configs, but still got the bug. Applied patch and everything is back to normal! Thanks, Jon!  
  
  ---
  
  ### Answer by username_1 on 2018-01-16. Score: 1
  
  You can install the rc for 4.7.30 which is what I recommend - it's at download.civicrm.org/latest
  
  
  ---
  
  