Try using this script to locate all occurrences of the payment. Before doing and deleting perform a backup and then run check links after deleting.
/*************************************************************************/
/*         Procedure of search of a phrase on all database               */
/*            Is developed by Oufimtsev Gleb, MCSE                       */
/*                                                                       */
/*            gvu@newmail.ru,  http://www.gvu.newmail.ru                 */ 
/*            +7 (095) 178-40-92,  Moscow, Russia                        */
/*************************************************************************/
if exists 
(select * from sysobjects where id = object_id('dbo.spSearchOnAllDB') )
 drop procedure dbo.spSearchOnAllDB
GO
CREATE PROCEDURE spSearchOnAllDB @phrase varchar(8000), @OutFullRecords bit=0 AS
/*
   To apply so: 
      exec  spSearchOnAllDB 'Sugar%'
      exec  spSearchOnAllDB '%soft%'
      exec  spSearchOnAllDB '_5234_57%', 1
      exec  spSearchOnAllDB M_cro_oft
*/
declare @sql varchar(8000)
declare @tbl varchar(128) 
declare @col varchar(128)
declare @id_present bit
declare @is_char_phrase bit
declare @min_len int
declare @loop_idx int
declare @loop_chr char(1)
set nocount on
if IsNull(@phrase,'')=''
begin
  raiserror('Phrase is absent',16,-1)
  return
end
select @loop_idx=1, @is_char_phrase=0, @min_len=0 
while @loop_idx<=LEN(@phrase)
begin
  set @loop_chr=SUBSTRING(@phrase,@loop_idx,1)
  if @loop_chr not in ('%','_') set @min_len=@min_len+1
  if @is_char_phrase=0 and @loop_chr not in ('%','_','0','1','2','3','4','5','6','7','8','9','.')  
       set @is_char_phrase=1
  set @loop_idx=@loop_idx+1
end 
create table #tbl_res 
                (TableName varchar(128) not NULL,
                 ColumnName varchar(128) not NULL,
                 Id int NULL,
                 ColumnValue varchar(7500) not NULL)
create table #tbl_res2 
                (TableName varchar(128) not NULL,
                 ColumnName varchar(128) not NULL,
                 Id int NULL,
                 ColumnValue varchar(7500) not NULL)
declare CRR cursor local fast_forward for
  select t.name, c.name, 1 
  from sysobjects t, syscolumns c 
  where t.type='U'
  and c.id=t.id
  and c.status&0x80=0 -- Not IDENTITY
  and exists (select * from syscolumns c2 where t.id=c2.id and c2.status&0x80=0x80 and c2.xtype in (48,52,56))
  and (   (@is_char_phrase=1 and c.xtype in (175,239,99,231,35,167) and c.length>=@min_len) -- char only
       or (@is_char_phrase=0 and c.xtype not in (34,165,173,189,61,58,36))) -- char and numeric
  union select t.name, c.name, 0 
  from sysobjects t, syscolumns c 
  where t.type='U'
  and c.id=t.id
  and not exists (select * from syscolumns c2 where t.id=c2.id and c2.status&0x80=0x80 and c2.xtype in (48,52,56))
  and (   (@is_char_phrase=1 and c.xtype in (175,239,99,231,35,167) and c.length>=@min_len) -- char only
       or (@is_char_phrase=0 and c.xtype not in (34,165,173,189,61,58,36))) -- char and numeric
  order by 1,2
open CRR
fetch CRR into @tbl, @col, @id_present
while @@FETCH_STATUS=0
begin
  if @OutFullRecords=0
  begin
    set @sql='insert into #tbl_res (TableName,ColumnName,Id,ColumnValue) '
            +'select '+char(39)+@tbl+char(39)+', '
                      +char(39)+@col+char(39)+', '
    if @id_present=1 set @sql=@sql+'IDENTITYCOL, '
                else set @sql=@sql+'NULL, ' 
    set @sql=@sql+'convert(varchar(7500),'+@col+') '
                 +'from '+@tbl+' (nolock) '
                 +'where convert(varchar(8000),'+@col+') like '+char(39)+@phrase+char(39)
  end
  if @OutFullRecords=1
  begin
    set @sql='if exists (select * from '+@tbl+' (nolock) '
                       +'where convert(varchar(8000),'+@col+') like '+char(39)+@phrase+char(39)+') '
            +'select '+char(39)+@tbl+char(39)+' TableName, '+char(39)+@col+char(39)+' ColumnName, * '
            +'from '+@tbl+' (nolock) where convert(varchar(8000),'+@col+') like '+char(39)+@phrase+char(39)
  end
  exec(@sql)
  fetch CRR into @tbl, @col, @id_present
end
close CRR
deallocate CRR
if @OutFullRecords=0
begin
  -- For the clients supporting new types:
  --exec('select * from #tbl_res order by 1,2,3')
  -- For the clients who are not supporting new types:
INSERT #tbl_res2
select TableName, ColumnName, Id, convert(varchar(255),ColumnValue) ColumnValue from #tbl_res
 /** exec('select TableName, ColumnName, Id, convert(varchar(255),ColumnValue) ColumnValue from #tbl_res order by 1,2,3')**/
end
drop table #tbl_res 
/***Select Statement to show tables***/
select TableName,ColumnName,ColumnValue from #tbl_res2 group by TableName,ColumnName,ColumnValue
	order by TableName
GRANT EXECUTE ON dbo.spSearchOnAllDB TO DYNGRP
truncate table #tbl_res2
drop table #tbl_res2