i was flash my w810(r4ea031 red50 chn) with main generic.My plan is get patc on my phone.i was did it.but some error happen when i doing this.The error display on setool is:

Flash ID check:2019
Flash props sent ok
Starting to process VKP patch script: D:\p20gram h4nPhon3$\program SE 176x220\costumize HP SE\w810i custom\Patch SE W810i\patch.vkp
VKP script loaded OK. Lines: 971
Patch structure created OK. Determining blocks to read...
New block #0000 added: $446C0000
New block #0001 added: $44540000
New block #0002 added: $44940000
New block #0003 added: $45400000
New block #0004 added: $455C0000
New block #0005 added: $45280000
New block #0006 added: $44480000
New block #0007 added: $44640000
New block #0008 added: $45440000
New block #0009 added: $45580000
New block #000A added: $452C0000
New block #000B added: $445C0000
New block #000C added: $44500000
New block #000D added: $45540000
New block #000E added: $45140000
New block #000F added: $45480000
New block #0010 added: $45680000
New block #0011 added: $44900000
New block #0012 added: $45200000
New block #0013 added: $44FC0000
Blocks selected OK. Reading blocks: 20
Block @ $446C0000 read error. Have only: 00000000 bytes
Elapsed:15 secs.

i think this error happen becouse i make it with many patches,then i patch with one patces.But it still some error:

Flash props sent ok
Starting to process VKP patch script: D:\p20gram h4nPhon3$\program SE 176x220\costumize HP SE\w810i custom\Patch SE W810i\Updated w810i patches\battery_of_the_light_blue_colour_v3_w810_r 4ea031.vkp
VKP script loaded OK. Lines: 13
Patch structure created OK. Determining blocks to read...
New block #0000 added: $446C0000
Blocks selected OK. Reading blocks: 1
Block @ $446C0000 read error. Have only: 00000000 bytes
Elapsed:14 secs

it seem my block $446C0000 is alway error.How i can fix it?????...
pleasee....i want help....
thanks before...