I have installed and when try to change page type to user form, (save and publish) receive error "Error saving Content" and page will not save.

Thanks Will - made no difference. Will have to wait for stable build 0.3

Hi Will - firebug error

ERROR [User Error]: Couldn't run query:
INSERT INTO "EditableFormField_versions" ("ClassName", "Created", "LastEdited", "Name", "Title", "Sort", "Required", "CanDelete", "ParentID", "Default", "CustomErrorMessage", "CustomRules", "CustomSettings", "CustomParameter", "Version", "RecordID", "AuthorID") VALUES ('EditableTextField', '2009-06-20 19:55:43', '2010-05-21 21:17:24', 'EditableTextField1', 'Name', 0, '1', '1', 3, null, null, null, null, null, 1, 1, 1)

Unknown column 'CustomParameter' in 'field list'
IN POST /admin/EditForm
Line 536 in /home/stagton/public_html/sapphire/core/model/MySQLDatabase.php

Source
======
527:    }
528:    
529:    function databaseError($msg, $errorLevel = E_USER_ERROR) {
530:       // try to extract and format query
531:       if(preg_match('/Couldn\'t run query: ([^\|]*)\|\s*(.*)/', $msg, $matches)) {
532:          $formatter = new SQLFormatter();
533:          $msg = "Couldn't run query: \n" . $formatter->formatPlain($matches[1]) . "\n\n" . $matches[2];
534:       }
535:       
* 536:       user_error($msg, $errorLevel);
537:    }
538:    
539:    /**
540:     * Return a boolean type-formatted string
541:     *
542:     * @param array $values Contains a tokenised list of info about this data type

Trace
=====
<ul>user_error(Couldn't run query:
INSERT INTO "EditableFormField_versions" ("ClassName", "Created", "LastEdited", "Name", "Title", "Sort", "Required", "CanDelete", "ParentID", "Default", "CustomErrorMessage", "CustomRules", "CustomSettings", "CustomParameter", "Version", "RecordID", "AuthorID") VALUES ('EditableTextField', '2009-06-20 19:55:43', '2010-05-21 21:17:24', 'EditableTextField1', 'Name', 0, '1', '1', 3, null, null, null, null, null, 1, 1, 1)

Unknown column 'CustomParameter' in 'field list',256)
line 536 of MySQLDatabase.php

MySQLDatabase->databaseError(Couldn't run query: INSERT INTO "EditableFormField_versions" ("ClassName", "Created", "LastEdited", "Name", "Title", "Sort", "Required", "CanDelete", "ParentID", "Default", "CustomErrorMessage", "CustomRules", "CustomSettings", "CustomParameter", "Version", "RecordID", "AuthorID") VALUES ('EditableTextField', '2009-06-20 19:55:43', '2010-05-21 21:17:24', 'EditableTextField1', 'Name', 0, '1', '1', 3, null, null, null, null, null, 1, 1, 1) | Unknown column 'CustomParameter' in 'field list',256)
line 134 of MySQLDatabase.php

MySQLDatabase->query(INSERT INTO "EditableFormField_versions" ("ClassName", "Created", "LastEdited", "Name", "Title", "Sort", "Required", "CanDelete", "ParentID", "Default", "CustomErrorMessage", "CustomRules", "CustomSettings", "CustomParameter", "Version", "RecordID", "AuthorID") VALUES ('EditableTextField', '2009-06-20 19:55:43', '2010-05-21 21:17:24', 'EditableTextField1', 'Name', 0, '1', '1', 3, null, null, null, null, null, 1, 1, 1))
line 583 of Database.php

SS_Database->manipulate(Array)
line 139 of DB.php

DB::manipulate(Array)
line 1048 of DataObject.php

DataObject->write()
line 494 of Versioned.php

Versioned->publish(Stage,Live,)

call_user_func_array(Array,Array)
line 693 of Object.php

Object->__call(publish,Array)

EditableTextField->publish(Stage,Live,)
line 90 of EditableFormField.php

EditableFormField->doPublish(Stage,Live)
line 129 of UserDefinedForm.php

UserDefinedForm->doPublish()
line 769 of LeftAndMain.php

LeftAndMain->save(Array,Form,SS_HTTPRequest)
line 296 of Form.php

Form->httpSubmission(SS_HTTPRequest)
line 134 of RequestHandler.php

RequestHandler->handleRequest(SS_HTTPRequest)
line 152 of RequestHandler.php

RequestHandler->handleRequest(SS_HTTPRequest)
line 147 of Controller.php

Controller->handleRequest(SS_HTTPRequest)
line 283 of Director.php

Director::handleRequest(SS_HTTPRequest,Session)
line 127 of Director.php

Director::direct(/admin/EditForm)
line 127 of main.php

</ul>

thanks this has fixed the saving error - the page type does not change to a user defined form it stays as Site Tree! with no form options showing