Constant Value 
 | 
Value 
 | 
Description 
 | 
LIC_ERROR_SUCCESS 
 | 
0  
 | 
Robo-FTP successfully licensed. 
 | 
LIC_ERROR_INVALID_RESPONSE 
 | 
1  
 | 
Unrecognized response from license server. Could be the result of faulty or unreliable Internet connection. 
 | 
LIC_ERROR_NOT_RESPONDING 
 | 
2  
 | 
No response from license server. Could be the result of faulty or unreliable Internet connection. 
 | 
LIC_ERROR_CANNOT_REMOVE_LICENSE 
 | 
3 
 | 
The license cannot be removed. No additional information is available at run time about this problem. Robo-FTP should be run in interactive mode to pursue this issue. 
 | 
LIC_ERROR_INVALID_SITE_CODE 
 | 
100  
 | 
The license server reports that the license required included an invalid site code. Providing the site code is an internal function of Robo-FTP so this error may be the result of a fault in Robo-FTP or a faulty or unreliable Internet connection. 
 | 
LIC_ERROR_INVALID_REQUEST 
 | 
200  
 | 
The license server reports that it received an invalid license request. Formatting the license request is an internal function of Robo-FTP so this error may be the result of a fault in Robo-FTP or a faulty or unreliable Internet connection. 
 | 
LIC_ERROR_INVALID_SERIAL_NUM 
 | 
400  
 | 
The license server reports that the serial number it received was invalid. Check that you are passing a valid 12-digit serial number on the RoboActivateLicense() call. 
 | 
LIC_ERROR_INVALID_REMOVAL_CODE 
 | 
500  
 | 
The license server reports that the removal code it received was invalid. Check that you are passing a valid 24-character removal code on the RoboActivateLicense() call. 
 | 
LIC_ERROR_DUP_SITE_CODE 
 | 
600  
 | 
The license server reports that the site code it received was used on a previous activation. This is an unlikely error and if it occurs probably indicates a fault in Robo-FTP. 
 | 
LIC_ERROR_DUP_AUTH 
 | 
700  
 | 
The license server reports that the serial number submitted has already been activated. Resubmit the request with the removal code to reactivate. If no removal code is available, Robo-FTP should be run in interactive mode to attempt reactivation. If it fails again here, use the Activation Troubleshooting Wizard to assist in determining the proper recovery action. 
 | 
LIC_ERROR_NO_SITE_CODE 
 | 
900  
 | 
The license server reports that no site code was received. This is an unlikely error and if it occurs probably indicates a fault in Robo-FTP. 
 | 
LIC_ERROR_INVALID_VERSION 
 | 
901 
 | 
The license server reports that the serial number submitted is for a previous version of Robo-FTP. An upgrade is likely required to obtain a valid serial number 
 |