diff --git a/src/components/CreateProject/ProjectClientDetails.tsx b/src/components/CreateProject/ProjectClientDetails.tsx
index b7245fd..f67c855 100644
--- a/src/components/CreateProject/ProjectClientDetails.tsx
+++ b/src/components/CreateProject/ProjectClientDetails.tsx
@@ -205,9 +205,14 @@ const ProjectClientDetails: React.FC<Props> = ({
       );
 
       if (mainProject !== undefined) {
+
+        const teamLeadIds = teamLeads.map((teamLead) => teamLead.id)
         setValue("projectName", mainProject.projectName);
         setValue("projectCategoryId", mainProject.projectCategoryId);
-        setValue("projectLeadId", mainProject.projectLeadId);
+
+        // set project lead id to the first team lead id if the main project lead id is not in the team lead list
+        setValue("projectLeadId", teamLeadIds.find((id) => id === mainProject.projectLeadId) ? mainProject.projectLeadId : teamLeadIds[0] ?? mainProject.projectLeadId);
+        
         setValue("serviceTypeId", mainProject.serviceTypeId);
         setValue("fundingTypeId", mainProject.fundingTypeId);
         setValue("contractTypeId", mainProject.contractTypeId);
@@ -269,7 +274,7 @@ const ProjectClientDetails: React.FC<Props> = ({
               <TextField
                 label={t("Project Code")}
                 fullWidth
-                disabled={isSubProject && mainProjects !== undefined}
+                // disabled={isSubProject && mainProjects !== undefined}
                 {...register("projectCode", {
                   required:
                     !(isSubProject && mainProjects !== undefined) &&