Error: Piwik is already installed

Since my English is not so good in writing, I wrote it in the english language part of the forum.
But still no answer.

Therefore I write now also in the english forum part.
I have translated the text using google.

I'm new to this forum. So far I had no problems with my Piwik installation.
But since the end of November I get the following message. But I think that the message already exists in early November, which I look into the database pure, I see no table for November.

"Error: Piwik is already installed." Go back to Piwik. "

Have spoken with my web provider and said that this indicates an old corupte version.
So I wanted to fix this today.
I want to update the automatic by link "", I get the following error message:

SQLSTATE [42S02]: Base table or view not found: 1932 Table 'mypagech_counter.piwik_option' does not exist in engine

The Piwik configuration file could not be found.
»You may install Piwik now
If you have installed Piwik before and have some tables in your DB, do not worry, you can reuse the same tables and keep your existing data!

What does this mean?
I look at the sql, there is no more data at any table of piwik.
I habs also tried the update manually according to "", but also this does not work.

what am I doing wrong?
Would be glad if someone could tell me, what I have done wrong and how something can arise.
Which I have every 2te update installed, when I received the notification by email.

My installed version should be 2.16.4. But exactly I can not look now because I can not access online, or I see where else the version?

Original forum entry in the german language forum:

Hello, when you connect to your Piwik what do you see? is it working or not at all?

If I go to my piwik (, I get the error message "Error: Piwik is already installed." Go back to Piwik. "So I do not see anything.

Can you try upgrade to latest 3.0.1-b1? I would like to test early beta and RC releases, how do I enable automatic updates to use these development versions? - Analytics Platform - Piwik

if you still have a problem after upgrade please create a ticket in our tracker: Issues · piwik/piwik · GitHub

As written to the top, I have already run the update manually, but also get a error message.
The error message I have already written.