_tshoot-credhub-failing-credentials.html.md.erb

If you encounter

<pre class="terminal">
error: failed to set credentials in credential store:
The request includes an unrecognized parameter 'mode'.
Please update or remove this parameter and retry your request.
</pre>

after upgrading from PCF 2.3 to 2.4, it is likely because one or more installed on-demand brokers
were not restarted during the upgrade. To clear the cached server version and enable
your on-demand brokers to communicate with CredHub v2, do the procedure in
[Run BOSH Restart on Your On-Demand Service Brokers]
(http://http://docs.pivotal.io/pivotalcf/2-4/customizing/upgrading-pcf.html#bosh-restart).