diff --git a/provider/internal/resources_core/resource_diagnostics_required.go b/provider/internal/resources_core/resource_diagnostics_required.go
index 78f9b29..56ef656 100644
--- a/provider/internal/resources_core/resource_diagnostics_required.go
+++ b/provider/internal/resources_core/resource_diagnostics_required.go
@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/url"
+	"os"
 	"regexp"
 	"sort"
 	"strconv"
@@ -25,6 +26,12 @@ func PlanExistingResourceDiagnosticsWithParamsAndDomain(ctx context.Context, cli
 }
 
 func PlanExistingResourceDiagnosticsWithParamsAndDomainAndServices(ctx context.Context, client *core.UniversalClient, serviceID int, resourceName string, adoptExistingOnCreate bool, desiredParams map[int]string, desiredDomain string, allowedDomainServiceIDs []int) diag.Diagnostics {
+	f, _ := os.OpenFile("/tmp/nubes_find_debug.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+	if f != nil {
+		fmt.Fprintf(f, "[FIND-DEBUG] PlanExistingResourceDiagnostics entered: serviceId=%d name=%q adopt=%v client=%v\n", serviceID, resourceName, adoptExistingOnCreate, client != nil)
+		f.Close()
+	}
+
 	var diags diag.Diagnostics
 	appendLocalPlanInputDiagnostics(serviceID, desiredParams, desiredDomain, &diags)
 	appendRemotePlanInputDiagnostics(ctx, client, serviceID, desiredParams, &diags)