>>You do need to provide some code Denis.
>
>Here is some code.
>
>

>CREATE CURSOR cÉtap1 (Séquence n(3), DescServ C(50), CléPrimaire I)
>
>* Here some code I didn't include. It will put records in the cursor cÉtap1
>
>CREATE CURSOR ;
>	cRapp ( Entete1 c(50),  Entete2  c(50),  Entete3  c(50), Entete4  c(50),;
>        
>        * And a bunch of other fields.
>)
>
>SELECT Séquence, DescServ, CléPrimaire ;
>FROM cÉtap1 ;
>ORDER BY DescServ ;
>INTO CURSOR cSuiviServ READWRITE 
>
>SELECT ... INTO CURSOR cEmp1Temp READWRITE 
>
>IF _tally = 0
>	DO FORM ts_messagebox WITH I('Pas de données à imprimer.')
>ELSE
>	nTotLigne = 0
>	SCAN  	
>		nTotLigne = nTotLigne + 1
>
>		INSERT INTO cRapp ( NomServ1) VALUES ("")
>		
>		SELECT cSuiviServ
>		nI = 0
>		SCAN
>			ni = nI + 1
>			cNi = ALLTRIM( STR( ni))
>			cReplace = "Replace NomServ" + cNi + " with cSuiviServ.DescServ in 'cRapp'"
>			&cReplace 	
>		ENDSCAN 
>
>		replace Entete1 WITH cEntete1 IN "cRapp"
>		replace Entete2 WITH cEntete2 IN "cRapp"
>		replace Entete3 WITH cEntete3 IN "cRapp"
>		replace Entete4 WITH cEntete4 IN "cRapp"
>		
>		replace date WITH cEmp1Temp.DateRv IN "cRapp"
>		Replace NomProf WITH I("Professeur") + ": " + ALLTRIM( cEmp1Temp.NomProf) IN "cRapp"
>		replace Heur WITH cEmp1Temp.HeurDebu IN "cRapp"
>		replace NomClient WITH cEmp1Temp.NomClient IN "cRapp"
>		replace Tél WITH cEmp1Temp.Téléphone IN "cRapp"
>
>		nPos = cEmp1Temp.Séquence
>		cReplace = "replace LignServChoisiPos" + ALLTRIM( STR( nPos)) +;
>			" with 'X' in 'cRapp'"	
>		&cReplace		
>			
>		SELECT cEmp1Temp
>	ENDSCAN 
>	
>	FOR nI = nTotLigne TO 25
>
>***
>*** This is the insert that doesn't insert
>***
>		INSERT INTO cRapp ;
>			(;
>			Entete1,;
>			Entete2,;
>			Entete3,;
>			Entete4;
>			);
>			VALUES ;
>			(;
>			cEntete1,;
>			cEntete2,;
>			cEntete3,;
>			cEntete4;
>			)
>	ENDFOR 
>
>        * Here again I didn't copy the code because anyway the insert didn't succeed.
>

This may have been addressed already, but have you checked the value of nTotLigne at the initiation of the FOR nl = nTotLigne... when it fails or in your testing display something to verify you are actually inside the FOR loop?