diff --git a/pkg/cluster/pg.go b/pkg/cluster/pg.go
index 7f421573f44ea0a65b72135fe2a68d70202d48fe..186489f3322218148310e058e91cf9553d894ab0 100644
--- a/pkg/cluster/pg.go
+++ b/pkg/cluster/pg.go
@@ -175,19 +175,19 @@ func (c *Cluster) createDatabases() error {
 
 	for datname, owner := range newDbs {
 		if _, ok := c.pgUsers[owner]; !ok {
-			c.logger.Infof("skipping creation of the %q database, user %q does not exist", datname, owner)
+			c.logger.Warningf("skipping creation of the %q database, user %q does not exist", datname, owner)
 			continue
 		}
 
 		if !databaseNameRegexp.MatchString(datname) {
-			c.logger.Infof("database %q has invalid name", datname)
+			c.logger.Warningf("database %q has invalid name", datname)
 			continue
 		}
-		c.logger.Infof("creating database %q with owner %q", datname, owner)
 
 		if _, err = c.pgDb.Query(fmt.Sprintf(createDatabaseSQL, datname, owner)); err != nil {
 			return fmt.Errorf("could not query database: %v", err)
 		}
+		c.logger.Infof("database %q with the owner %q has been created", datname, owner)
 	}
 
 	return nil
diff --git a/pkg/cluster/util.go b/pkg/cluster/util.go
index 36c8eb6071865cfc3052f80cc400cf395075cb93..a18651d7479298cdec58b0b0bbd9fd4d1143bd3a 100644
--- a/pkg/cluster/util.go
+++ b/pkg/cluster/util.go
@@ -174,11 +174,17 @@ func (c *Cluster) getTeamMembers() ([]string, error) {
 	if err != nil {
 		return []string{}, fmt.Errorf("could not get oauth token: %v", err)
 	}
+	if len(token) == 0 {
+		return []string{}, fmt.Errorf("could not get oauth token: empty token")
+	}
 
 	teamInfo, err := c.teamsAPIClient.TeamInfo(c.Spec.TeamID, token)
 	if err != nil {
 		return nil, fmt.Errorf("could not get team info: %v", err)
 	}
+	if len(teamInfo.Members) == 0 {
+		c.logger.Warningf("team API returned empty list of members for the %q team", c.Spec.TeamID)
+	}
 
 	return teamInfo.Members, nil
 }
diff --git a/pkg/controller/util.go b/pkg/controller/util.go
index 3f847d2248e7bb3e68413b4577dd0d0e06541bdc..da4e9cadd73d6b06699bb98d96fec4a3016fb54d 100644
--- a/pkg/controller/util.go
+++ b/pkg/controller/util.go
@@ -54,7 +54,7 @@ func (c *Controller) createCRD() error {
 
 	if _, err := c.KubeClient.CustomResourceDefinitions().Create(crd); err != nil {
 		if !k8sutil.ResourceAlreadyExists(err) {
-			return fmt.Errorf("could not create customResourceDefinition: %v", err)
+			c.logger.Warningf("could not create customResourceDefinition: %v", err)
 		}
 		c.logger.Infof("customResourceDefinition %q is already registered", crd.Name)
 	} else {