Page protection violation: This may be caused by submitting a page...

Hi all,
We are migrating from ApEx 3.2 to 4.2, and from 10 to 11g.
I am now getting this message when I click on a Flot pie graph on my page (runs some javascript: DoSubmit("PIE_CLICK"); ).
What does it mean? I have already looked at Page protection violation on APEX 4.1.1.00.23
Page protection violation: This may be caused by submitting a page that had not yet finished loading or by manual alteration of protected page items. For further assistance, please contact the application administrator.
Edited by: RosanneMcK on Jan 23, 2013 5:07 PM

I have now managed to fix this problem which occurred again on another page.
Luckily, this page was a "copy" of another page which still worked, so all I had to do was compare the two pages. I discovered the difference was that they were using subtly different page templates.
I realised it was the old #FORM_OPEN#, #FORM_CLOSE# problem, and I changed the two #FORM_X# locations in the faulty template to be "tighter" around the #REGION_X#s. I had previously put the FORMs around all my #REGION_#s, even non-input ones, but maybe I had an unmatching div or something, and it couldn't find the FORM_CLOSE.
So now it works!
Sorry, I can't put up the faulty template, because I can't remember where the FORMs were when it was broken (and I'm a bit of an amateur at page templates, so they look really bad)!

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Very Urgent : Error Page protection violation: This may be caused by submitting a page that had not yet finished loading or by manual alteration of protected page items. For further assistance, please contact the application administrator.

Hi,
I getting this error press on upload button , its working in google chrome and firefox
Error Page protection violation:
This may be caused by submitting a page that had not yet finished loading or by manual alteration of protected page items.For further assistance, please contact theapplication administrator.Contact your application administrator.
Please help me any one

First, please don't post questions/issues and start with "Very Urgent". If you have an "urgent" issue I recommend you contact Oracle Support. Second, if your issue is so urgent, I further recommend that you read this (url below) before going any further. Posting questions without including product names, versions, and related information like platform, configuration and so on, will make it almost impossible for anyone to help you.
http://blogs.oracle.com/shay/entry/10_commandments_for_the_otn_fo
Finally, I am going to guess and say that you are having problems with Oracle Apex version 4.2. If I am correct, I will tell you that this forum space is for Oracle Forms. APEX questions should be posted here (below). However, if you plan to post the same issue there, please consider reading the blog I mentioned above and follow its recommendations before posting anywhere else.
https://community.oracle.com/community/developer/english/oracle_database/application_express

Session state protection violation: This may be caused by manual alteration of protected page item P300_name. If you are unsure what caused this error, please contact the application administrator for assistance.

HI ,
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p300_name is text filed.
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Thanks,

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Hi Mike,
This error may be because of of some hidden item you have created and made it protected.
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Hi guys,
I have two tabs in a tabset and when I try to click second tab from first tab it gives below exception.
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This might be because you are changing the protected items value using JavaScript.
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Cheng-Lu,
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-----Error message:
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--End of error message.
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Message was edited by:
muighi

Scott - I should have posted this question sooner! I wasted a whole day trying to figure this out. Thanks a lot, Scott. By the way, where can I find any documented known bugs in Apex?
--Candy

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hi,
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Page protection violation: This may be caused by submitting a page...

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