I noticed that after upgrading to 4.2.8 Begin of the insertion
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End of the deletion i cannot edit a work package type.

Since i had problems doing this in the past i updated the costs plugin to release/4.2 Begin of the insertion
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End of the deletion But the problem persist.

I receive the 500 error, this is a single run (drawn from the log file) Begin of the insertion

<pre>

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End of the deletion Started GET Begin of the insertion“/work\_packages/74/new\_type?utf8=%E2%9C%93&\_method=put\&authenticity\_token=gPEKNP0VIJm8bUs6aJg%2FCeTru46vKAlH2tuANtVoF0c%3D\&back\_url=\&work\_package%5Btype\_id%5D=2\&work\_package%5Bparent\_id%5D=\&work\_package%5Bsubject%5D=Save%20%22Acaund%22%20in%20database\&work\_package%5Bdescription%5D=h1.%20Mail%202015-08-28%0A%0A%3Cpre%3E%0AAcaund%20skal%20gemmes%2C%20de%20oplysninger%20skal%20Han%2FHun%20kunne%20vende%20tilbage%20til.%20Gerne%20ved%20s%C3%B8gning%0Ap%C3%A5%20Tlf.%20Nr.%20og%20skak%20kunne%20udskrives.%0A%3C%2Fpre%3E\&work\_package%5Bstatus\_id%5D=1\&work\_package%5Bpriority\_id%5D=2\&work\_package%5Bassigned\_to\_id%5D=3\&work\_package%5Bresponsible\_id%5D=\&work\_package%5Bstart\_date%5D=\&work\_package%5Bdue\_date%5D=\&work\_package%5Bestimated\_hours%5D=\&work\_package%5Bdone\_ratio%5D=0\&work\_package%5Bcost\_object\_id%5D=\&work\_package%5Bjournal\_notes%5D=\&work\_package%5Btime\_entry%5D%5Bhours%5D=\&work\_package%5Btime\_entry%5D%5Bactivity\_id%5D=7\&work\_package%5Btime\_entry%5D%5Bcomments%5D=\&work\_package%5Btime\_entry%5D%5Bcustom\_field\_values%5D%5B7%5D=Open\&work\_package%5Battachments%5D%5B1%5D%5Bdescription%5D=\&send\_notification=0\&send\_notification=1\&work\_package%5Block\_version%5D=3\&button=\&authenticity\_token=gPEKNP0VIJm8bUs6aJg%2FCeTru46vKAlH2tuANtVoF0c%3D”End of the insertion Begin of the deletion &quot;/work_packages/74/new_type?utf8=%E2%9C%93&amp;_method=put&amp;authenticity_token=gPEKNP0VIJm8bUs6aJg%2FCeTru46vKAlH2tuANtVoF0c%3D&amp;back_url=&amp;work_package%5Btype_id%5D=2&amp;work_package%5Bparent_id%5D=&amp;work_package%5Bsubject%5D=Save%20%22Acaund%22%20in%20database&amp;work_package%5Bdescription%5D=h1.%20Mail%202015-08-28%0A%0A%3Cpre%3E%0AAcaund%20skal%20gemmes%2C%20de%20oplysninger%20skal%20Han%2FHun%20kunne%20vende%20tilbage%20til.%20Gerne%20ved%20s%C3%B8gning%0Ap%C3%A5%20Tlf.%20Nr.%20og%20skak%20kunne%20udskrives.%0A%3C%2Fpre%3E&amp;work_package%5Bstatus_id%5D=1&amp;work_package%5Bpriority_id%5D=2&amp;work_package%5Bassigned_to_id%5D=3&amp;work_package%5Bresponsible_id%5D=&amp;work_package%5Bstart_date%5D=&amp;work_package%5Bdue_date%5D=&amp;work_package%5Bestimated_hours%5D=&amp;work_package%5Bdone_ratio%5D=0&amp;work_package%5Bcost_object_id%5D=&amp;work_package%5Bjournal_notes%5D=&amp;work_package%5Btime_entry%5D%5Bhours%5D=&amp;work_package%5Btime_entry%5D%5Bactivity_id%5D=7&amp;work_package%5Btime_entry%5D%5Bcomments%5D=&amp;work_package%5Btime_entry%5D%5Bcustom_field_values%5D%5B7%5D=Open&amp;work_package%5Battachments%5D%5B1%5D%5Bdescription%5D=&amp;send_notification=0&amp;send_notification=1&amp;work_package%5Block_version%5D=3&amp;button=&amp;authenticity_token=gPEKNP0VIJm8bUs6aJg%2FCeTru46vKAlH2tuANtVoF0c%3D&quot;End of the deletion for 92.251.127.197 at 2015-10-06 09:45:20 +0200 Begin of the insertion
End of the insertion Begin of the deletion
End of the deletion Processing by Begin of the insertionWorkPackagesController\#new\_typeEnd of the insertion Begin of the deletion WorkPackagesController#new_typeEnd of the deletion as JS Begin of the insertion
End of the insertion Begin of the deletion
End of the deletion Parameters: Begin of the insertion{“utf8”=\>“✓”, “authenticity\_token”=\>“gPEKNP0VIJm8bUs6aJg/CeTru46vKAlH2tuANtVoF0c=”, “back\_url”=\>“”, “work\_package”=\>{“type\_id”=\>“2”, “parent\_id”=\>“”, “subject”=\>“Save \\”Acaund\\"End of the insertion Begin of the deletion {&quot;utf8&quot;=&gt;&quot;✓&quot;, &quot;authenticity_token&quot;=&gt;&quot;gPEKNP0VIJm8bUs6aJg/CeTru46vKAlH2tuANtVoF0c=&quot;, &quot;back_url&quot;=&gt;&quot;&quot;, &quot;work_package&quot;=&gt;{&quot;type_id&quot;=&gt;&quot;2&quot;, &quot;parent_id&quot;=&gt;&quot;&quot;, &quot;subject&quot;=&gt;&quot;Save \&quot;Acaund\&quot;End of the deletion in Begin of the insertiondatabase“, ”description“=\>”h1.End of the insertion Begin of the deletion database&quot;, &quot;description&quot;=&gt;&quot;h1.End of the deletion Mail Begin of the insertion2015-08-28\\n\\n

\nAcaundEnd of the insertion Begin of the deletion 2015-08-28\n\n&lt;pre&gt;\nAcaundEnd of the deletion skal gemmes, de oplysninger skal Han/Hun kunne vende tilbage til. Gerne ved søgning\npå Tlf. Nr. og skak kunne udskrives.\n

“, ”status\_id“=\>”1“, ”priority\_id“=\>”2“, ”assigned\_to\_id“=\>”3“, ”responsible\_id“=\>”“, ”start\_date“=\>”“, ”due\_date“=\>”“, ”estimated\_hours“=\>”“, ”done\_ratio“=\>”0“, ”cost\_object\_id“=\>”“, ”journal\_notes“=\>”“, ”time\_entry“=\>{”hours“=\>”“, ”activity\_id“=\>”7“, ”comments“=\>”“, ”custom\_field\_values“=\>{”7“=\>”Open“}}, ”attachments“=\>{”1“=\>{”description“=\>”“}}, ”lock\_version“=\>”3“}, ”send\_notification“=\>”1“, ”button“=\>”“, ”id“=\>”74“}
Rendered work\_packages/\_two\_column\_attributes.html.erb (0.1ms)
Rendered work\_packages/\_attributes.html.erb (40.9ms)
Rendered work\_packages/new\_type.html.erb (41.3ms)
Completed 200 OK in 66.4ms (Views: 33.1ms | ActiveRecord: 14.8ms)
Started PUT ”/work\_packages/74" for 92.251.127.197 at 2015-10-06 09:45:22 +0200
Processing by WorkPackagesController\#update as HTML
Parameters: {“utf8”=\>“✓”, “authenticity\_token”=\>“gPEKNP0VIJm8bUs6aJg/CeTru46vKAlH2tuANtVoF0c=”, “back\_url”=\>“”, “work\_package”=\>{“type\_id”=\>“2”, “parent\_id”=\>“”, “subject”=\>“Save \\”Acaund\\" in database“, ”description“=\>”h1. Mail 2015-08-28\\r\\n\\r\\n

\r\nAcaund skal gemmes, de oplysninger skal Han/Hun kunne vende tilbage til. Gerne ved søgning\r\npå Tlf. Nr. og skak kunne udskrives.\r\n

“, ”status\_id“=\>”1“, ”priority\_id“=\>”2“, ”assigned\_to\_id“=\>”3“, ”responsible\_id“=\>”“, ”start\_date“=\>”“, ”due\_date“=\>”“, ”estimated\_hours“=\>”“, ”done\_ratio“=\>”0“, ”cost\_object\_id“=\>”“, ”journal\_notes“=\>”“, ”time\_entry“=\>{”hours“=\>”“, ”activity\_id“=\>”7“, ”comments“=\>”“, ”custom\_field\_values“=\>{”7“=\>”Open“}}, ”attachments“=\>{”1“=\>{”description“=\>”“}}, ”lock\_version“=\>”3“}, ”send\_notification“=\>”1“, ”button“=\>”“, ”id“=\>”74"}
Completed 500 Internal Server Error in 41.7ms

NoMethodError (undefined method \`clear\_attribute\_changes’ for \#<WorkPackage:0xbe4a4b88>):
lib/plugins/acts\_as\_customizable/lib/acts\_as\_customizable.rb:140:in \`method\_missing’
app/models/work\_package.rb:443:in \`update\_by\!’
app/services/update\_work\_package\_service.rb:42:in \`update’
app/controllers/work\_packages\_controller.rb:186:in \`update’
app/middleware/params\_parser\_with\_exclusion.rb:40:in \`call’ Begin of the insertion
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