diff --git a/Controllers/ProjectsController.cs b/Controllers/ProjectsController.cs
index bc03632..3a8476d 100644
--- a/Controllers/ProjectsController.cs
+++ b/Controllers/ProjectsController.cs
@@ -8,7 +8,7 @@ using Microsoft.EntityFrameworkCore;
 using TicketManager.Data;
 using TicketManager.Models;
 using TicketManager.DTO;
-
+using System;
 
 namespace TicketManager.Controllers
 {
@@ -263,11 +263,13 @@ namespace TicketManager.Controllers
         [ProducesResponseType(StatusCodes.Status204NoContent)]
         [ProducesResponseType(StatusCodes.Status404NotFound)]
         [HttpPatch("{id}/members")]
-        public async Task<ActionResult<Project>> SetProjectMembers(int id, List<AppUser> projectMembers)
-        // [SAFETY] Use RequestDTO to limits posibilities. 
+        public async Task<ActionResult<Project>> SetProjectMembers(
+            [FromRoute] int id,
+            [FromBody] Guid[] membersId)
         {
             Project project = await _context.Projects
                 .Include(p => p.Assignments)
+                    .ThenInclude(p => p.User)
                 .FirstOrDefaultAsync(p => p.Id == id);
 
             if (project == null)
@@ -275,6 +277,10 @@ namespace TicketManager.Controllers
                 return NotFound();
             }
 
+            var projectMembers = await _context.AppUsers
+                .Where(u => membersId.Contains(u.Id))
+                .ToListAsync();
+
             project.SetMembers(projectMembers);
             _context.Entry(project).State = EntityState.Modified;
             try
@@ -282,10 +288,10 @@ namespace TicketManager.Controllers
 
                 await _context.SaveChangesAsync();
             }
-            catch (DbUpdateException /* ex */)
+            catch (DbUpdateException ex)
             {
                 //Log the error (uncomment ex variable name and write a log.)
-                ModelState.AddModelError("", "Unable to save changes. " +
+                ModelState.AddModelError(ex.ToString(), "Unable to save changes. " +
                     "Try again, and if the problem persists, " +
                     "see your system administrator.");
             }
diff --git a/Models/Interfaces/ITask.cs b/Models/Interfaces/ITask.cs
index dccc923..eba4cf7 100644
--- a/Models/Interfaces/ITask.cs
+++ b/Models/Interfaces/ITask.cs
@@ -9,7 +9,7 @@ namespace TicketManager.Models
         int Id { get; set; }
         string Title { get; set; }
         string Description { get; set; }
-        DateTime CreatedAt { get; }
+        DateTime CreationDate { get; }
         DateTime PlannedEnding { get; set; }
         List<Activity> Activities { get; set; }
 
diff --git a/Scripts/apiQueries.sh b/Scripts/apiQueries.sh
index 7802a36..81bc2e3 100755
--- a/Scripts/apiQueries.sh
+++ b/Scripts/apiQueries.sh
@@ -4,7 +4,7 @@ FILE=Scripts/response.json
 rm $FILE
 date >> $FILE
 
-URL=$ROOT/tickets/
+URL=$ROOT/projects/1/members
 cat $URL >> $FILE
 
 curl --insecure $URL | json_pp >> $FILE
\ No newline at end of file