public String getDatabaseCompatibility() {
		if (database == null) {
			return null;
		}
		DatabaseInformation info = database.getInfo();
		if (info == null) {
			return null;
		}
		int compare = database.compareLayout();
		if (compare < 0) {
			return "This client is incompatible with the earlier database format on the server";
		}
		else if (compare > 0) {
			return "The server is using a later database format than is supported by this client";
		}
		return null;
	}
Returns a string explaining the database compatibility between this client and the server.

@return a string explaining the compatibility, or null if it could not be determined
Ghidra/Features/BSim/src/main/java/ghidra/features/bsim/query/facade/SimilarFunctionQueryService.java