diff --git a/client/lib/engine/bin/FileLib.py b/client/lib/engine/bin/FileLib.py
index 6099dee..424c17a 100755
--- a/client/lib/engine/bin/FileLib.py
+++ b/client/lib/engine/bin/FileLib.py
@@ -271,12 +271,20 @@ def ogDeleteTree(*args):
     # Comprobar que existe el directorio y borrarlo con su contenido.
     DIR = ogGetPath(*args)
     if not DIR:
-        SystemLib.ogRaiseError(OG_ERR_NOTFOUND, *args)
+        SystemLib.ogRaiseError(
+            "session",
+            ogGlobals.OG_ERR_NOTFOUND,
+            f"Not found: {args}"
+        )
         return
     try:
         shutil.rmtree(DIR)
     except OSError as e:
-        SystemLib.ogRaiseError(OG_ERR_NOTFOUND, *args)
+        SystemLib.ogRaiseError(
+            "session",
+            ogGlobals.OG_ERR_NOTFOUND,
+            f"{e}"
+        )
         return
 
 
@@ -401,10 +409,18 @@ def ogIsNewerFile(*args):
 
     # Comprobar que existen los ficheros origen y destino.
     if not SOURCE:
-        SystemLib.ogRaiseError(OG_ERR_NOTFOUND, *args[:-1])
+        SystemLib.ogRaiseError(
+            "session",
+            ogGlobals.OG_ERR_NOTFOUND,
+            f"Not found: {args[:-1]}"
+        )
         return
     if not TARGET:
-        SystemLib.ogRaiseError(OG_ERR_NOTFOUND, *args)
+        SystemLib.ogRaiseError(
+            "session",
+            ogGlobals.OG_ERR_NOTFOUND,
+            f"Not found: {args[-1]}"
+        )
         return
 
     # Devolver si el primer fichero se ha modificado después que el segundo.
@@ -420,7 +436,11 @@ def ogMakeChecksumFile(*args):
     # Comprobar que existe el fichero y guardar su checksum.
     FILE = ogGetPath(*args)
     if not FILE:
-        SystemLib.ogRaiseError(OG_ERR_NOTFOUND, *args)
+        SystemLib.ogRaiseError(
+            "session",
+            ogGlobals.OG_ERR_NOTFOUND,
+            f"Not found: {args}"
+        )
         return
     checksum = ogCalculateChecksum(FILE)
     with open(f"{FILE}.sum", "w") as f: