SIP License Incorrect Checksum
The DaVinci Configurator Pro (Version 5.x) shows the error message License file of SIP has no valid checksum. during startup.
The problem is usually caused by the revision control system e.g. SVN, CVS, … if the license file is treated as regular text file. Depending on your system this kind of handling could lead to modifications inside the license file.
The original license file uses Unix like line breaks (LF [\n]). Sometimes the file is modified and the line breaks are replaced by Windows line breaks (CR LF [\r\n]).
The SipLicenense.lic file is protected against modifications by a checksum which is calculated of the entire file, also including invisible characters like line breaks. If an additional character is added e.g. \r the checksum no longer fits to the actual content and DaVinci Configurator Pro (Version 5.x) will show an error message.
Original SipLicense.lic delivered with a SIP: