Error 500, Over quota

[GoogleCodeExporter]

What steps will reproduce the problem?
1. A low use of the app.
2.
3.

What is the expected output?
Normal access

What do you see instead?
Error 500
OVER QUOTA
Internal server error


What browser and browser version are you using?  On what operating system?
Chorme on XP, last versión
Mozilla on XP, last versión
Chorme for Iphone, last versión

What URL does your browser show when the problem occurs?  Did you compile
walkaround on your machine, or are you using a public instance?
Im not sure

Please provide any additional information below.
I cloned "walkaround" on 18 june 2012.
I used it daily since then.

On 09  january 2012 I updated new version.
Since then, I have overcuota errors.
I do the same use than before the update (1-2 users).

Dashboard:
Datastore Read Operations        100%    0.05 of 0.05 Million Ops

Original issue reported on code.google.com by [email protected] on 20 Feb 2013 at 4:26