Today I started getting an API_ACCESS_REQUEST_BLOCKED error when the CSV upload program tries to log in

Today I started getting an API_ACCESS_REQUEST_BLOCKED error when the CSV upload program tries to log in

It doesn't happen all the time, but enough that I can't get all my data uploaded. Nothing on my side changed. What is wrong?

Here is what I get in the log file:



2014/12/19 16:07:26 MST:Logging in

2014/12/19 16:07:26 MST:logging into https://accounts.zoho.com
2014/12/19 16:07:27 MST:IAM Error: Response status: 200
IAM Response: #
#Fri Dec 19 15:07:27 PST 2014
CAUSE=API_ACCESS_REQUEST_BLOCKED
RESULT=FALSE

2014/12/19 16:07:27 MST:Error!!! Could not login. Could be because of API_ACCESS_REQUEST_BLOCKED

2014/12/19 16:07:27 MST:Error Occurred !!!

2014/12/19 16:07:27 MST:ServerException (HttpStatusCode 200 Error Code: 407 , URI: https://accounts.zoho.com, Action: ZOHO_LOGIN, Message: Could not login. Could be because of API_ACCESS_REQUEST_BLOCKED)
at com.adventnet.zoho.client.report.ReportClient.create(ReportClient.java:100)
at com.adventnet.zoho.client.report.tool.CSVUploader.upload(CSVUploader.java:149)
at com.adventnet.zoho.client.report.tool.CSVUploader.upload(CSVUploader.java:86)
at com.adventnet.zoho.client.report.tool.CSVUploader.main(CSVUploader.java:66)