Some people receive Unexpected Sign In failure error when try to sync Lightroom to Lightroom mobile. Typically the error message from Lightroom Desktop was “Lightroom has experienced an unexpected Sign In failure. Please try again later. (attempt to index a nil value).” You many also receive a server not responding message.
This is a known issue, with following workaround will allow you sign-in access by enable sharing in the System Preferences.
1. Open System Preferences in Mac OS.
2. Select Sharing.
3. Enter your computer name into the Computer Name field. The computer name you need to enter into this field is in the text directly under this field, and contains a .local suffix. The computer name you need to enter is this name, but without the .local.
Note: If the computer name in the text is just .local, enter whatever computer name you wish into the Computer Name field, but do not include the .local.
4. Close System Preferences.
Alex Lim
Alex Lim is a certified IT Technical Support Architect with over 15 years of experience in designing, implementing, and troubleshooting complex IT systems and networks. He has worked for leading IT companies, such as Microsoft, IBM, and Cisco, providing technical support and solutions to clients across various industries and sectors. Alex has a bachelor’s degree in computer science from the National University of Singapore and a master’s degree in information security from the Massachusetts Institute of Technology. He is also the author of several best-selling books on IT technical support, such as The IT Technical Support Handbook and Troubleshooting IT Systems and Networks. Alex lives in Bandar, Johore, Malaysia with his wife and two chilrdren. You can reach him at [email protected] or follow him on Website | Twitter | Facebook
