Who This Is For / When to Use
This article is for account owners and users who are syncing Google Calendar with Kyrios and see an error stating they need writer access to sync appointments.
What the Writer Access Error Means
You may see the following message when connecting Google Calendar:
You need to have writer access to sync appointments to the selected Google Calendar. Please check with the Google Calendar owner in case syncing is required.
This error means Kyrios does not have permission to create or edit events on the selected Google Calendar.
Solution 1: Grant Writer Access in Google Calendar
Use this solution if the calendar is owned by another Google account or shared with you.
Step 1: Open Calendar Sharing Settings
Go to calendar.google.com
Select the calendar you are trying to sync
Click the three dots
Select Settings and sharing
Step 2: Add Kyrios Email and Set Permissions
Scroll to Share with specific people
Click Add people
Enter the Google email used for Kyrios
Set permissions to Make changes to events
Click Send
Step 3: Confirm Access Permissions
Ensure Access permissions for events allow changes.
Once saved, the calendar should sync correctly.
Solution 2: Fix Group Calendar Conflicts
Use this solution if you are syncing a group calendar or shared team calendar.
Step 1: Disable Primary Calendar Sync
In Kyrios calendar settings, check Do not sync new events to the primary calendar
Save before continuing
Step 2: Check Conflict Settings
Click Check for conflicts
Select Edit
If the calendar appears under Personal, uncheck it
Save changes
Step 3: Reassign the Primary Calendar
Return to Calendar Configuration
Click Edit on the primary calendar
Select the correct calendar
Save
Solution 3: Resolve Duplicate “Personal” Calendars
Use this solution if you see two calendars with the same name (for example, “Personal”).
Why This Happens
This usually occurs when:
Multiple Google accounts are connected
A calendar is shared between accounts
One calendar has view-only access
Only one version has writer access.
Step 1: Identify the Shared Calendar
Open Google Calendar Settings
Review Share with specific people
Identify which calendar only has See all event details
Step 2: Select the Correct Calendar in Kyrios
Return to Kyrios calendar configuration
Switch to the other calendar with the same name
Save
If the error disappears, the correct calendar is selected.
Solution 4: Simple/Event Calendar Ownership Issues
Use this solution if you own the Google Calendar but still see the error.
Common Causes
Multiple Google accounts connected
Wrong Google account marked as primary
Calendar shared from another account
Fix
Confirm the correct Google account is connected
Ensure the calendar has Make changes to events
Re-select the calendar in Kyrios and save
Important Notes About Google Calendar Sync
Writer access is required for two-way sync
“See all event details” is not sufficient
Primary calendars still check conflicts even if unchecked
Existing events are not deleted when changing settings
FAQ
What does the writer access error mean?
It means Kyrios cannot create or edit events on the selected Google Calendar due to missing permissions.
How do I grant writer access?
Add the Kyrios-connected email under Settings and sharing and set permissions to Make changes to events.
Why do I see two calendars with the same name?
You likely connected multiple Google accounts or shared calendars between accounts.
Which “Personal” calendar should I choose?
Select the one that has Make changes to events permission. The error will disappear once the correct one is selected.
Will changing calendar sync settings delete existing events?
No. These changes only affect where new events are synced.
Can multiple users edit the same calendar?
Yes, as long as each user has writer access.