FiveWeb error

Application
===========
Path and name: C:\xampp\cgi-bin\menucomercio.exe (32 bits)
Time from start: 0 hours 0 mins 0 secs
Error occurred at: 05/07/25, 23:47:11
Error description: Error BASE/1111
Error de argumento: LEN
Args:
[ 1] = U nil

Stack Calls
===========
Called from LEN(0)
Called from MAIN(35)

Variables in use
================
Procedure Type Value
==========================
LEN
Param 1: O Class: ERROR
MAIN
Param 1: U nil
Local 1: U nil
Local 2: U

Linked RDDs
===========
ADS
ADSADT
ADSCDX
ADSNTX
DBF
DBFFPT
DBFBLOB
DBFCDX
DBFNTX

DataBases in use
================

2: => _T1 RddName: ADSCDX
==============================
RecNo RecCount BOF EOF
2 126 .F. .F.

Indexes in use TagName
=> idc_con WI1
nombre NI2
nombre NI3

Relations in use

Classes in use:
===============
1 ERROR
2 HBCLASS
3 HBOBJECT

Memory Analysis
===============
113 Static variables

Dynamic memory consume:
Actual Value: 131072 bytes
Highest Value: 131072 bytes