[Checkins] [zopefoundation/ZEO] 91b540: Add paragraph about how to fix ClientStorageError.

[Jürgen Gmach]

  Branch: refs/heads/update-documentation
  Home:   https://github.com/zopefoundation/ZEO
  Commit: 91b5405b17ab02832c8153836d7a32be202dd135
      https://github.com/zopefoundation/ZEO/commit/91b5405b17ab02832c8153836d7a32be202dd135
  Author: Jürgen Gmach <juergen.gmach at googlemail.com>
  Date:   2019-04-24 (Wed, 24 Apr 2019)

  Changed paths:
    M doc/zeo-client-cache.txt

  Log Message:
  -----------
  Add paragraph about how to fix ClientStorageError.

modified:   doc/zeo-client-cache.txt