Generic syntax exception message: Current culture: en-GB ( Direct TV)

Hellow I am getting following error for several direct tv ch.  most of the ch data grabbing fine except following ch. can y ou plz help me to fix this error ?

Erro details:

DIRECTV.COM -- chan. (xmltv_id=ESPN2.usa) -- mode Force
iinnn
Unable to update channel ESPN2.usa
Generic syntax exception:
   message:
Current culture: en-GB
time parsing error : String was not recognized as a valid DateTime.
nextstartdatetime time scrubbed :
computer date/time format: 08/04/2018 09:30:36
Existing guide data restored!

DIRECTV.COM -- chan. (xmltv_id=FoxSportsArizona.usa) -- mode Force
iinn
Unable to update channel FoxSportsArizona.usa
Generic syntax exception:
   message:
Current culture: en-GB
time parsing error : String was not recognized as a valid DateTime.
nextstartdatetime time scrubbed :
computer date/time format: 08/04/2018 09:31:35
Existing guide data restored!

DIRECTV.COM -- chan. (xmltv_id=FoxSportsFlorida.usa) -- mode Force
iinnnn
Unable to update channel FoxSportsFlorida.usa
Generic syntax exception:
   message:
Current culture: en-GB
time parsing error : String was not recognized as a valid DateTime.
nextstartdatetime time scrubbed :
computer date/time format: 08/04/2018 09:31:48
Existing guide data restored!

DIRECTV.COM -- chan. (xmltv_id=FoxSportsMidwest.usa) -- mode Force
iinnnn
Unable to update channel FoxSportsMidwest.usa
Generic syntax exception:
   message:
Current culture: en-GB
time parsing error : String was not recognized as a valid DateTime.
nextstartdatetime time scrubbed :
computer date/time format: 08/04/2018 09:32:00
Existing guide data restored!

DIRECTV.COM -- chan. (xmltv_id=NBCSNBayArea.usa) -- mode Force
iinn
Unable to update channel NBCSNBayArea.usa
Generic syntax exception:
   message:
Current culture: en-GB
time parsing error : String was not recognized as a valid DateTime.
nextstartdatetime time scrubbed :
computer date/time format: 08/04/2018 09:36:19
Existing guide data restored!

DIRECTV.COM -- chan. (xmltv_id=FoxSportsSouth.usa) -- mode Force
iinnnnn
Unable to update channel FoxSportsSouth.usa
Generic syntax exception:
   message:
Current culture: en-GB
time parsing error : String was not recognized as a valid DateTime.
nextstartdatetime time scrubbed :
computer date/time format: 08/04/2018 09:32:54
Existing guide data restored!
(  64/161 ) DIRECTV.COM -- chan. (xmltv_id=FoxSportsSoutheast.usa) -- mode Force
iinnnn
Unable to update channel FoxSportsSoutheast.usa
Generic syntax exception:
   message:
Current culture: en-GB
time parsing error : String was not recognized as a valid DateTime.
nextstartdatetime time scrubbed :
computer date/time format: 08/04/2018 09:32:59
Existing guide data restored!
(  64/161 ) DIRECTV.COM -- chan. (xmltv_id=FoxSportsSouthwest.usa) -- mode Force
ii
Unable to update channel FoxSportsSouthwest.usa
Generic syntax exception:
   message:
Current culture: en-GB
time parsing error : String was not recognized as a valid DateTime.
nextstartdatetime time scrubbed :
computer date/time format: 08/04/2018 09:33:00
Existing guide data restored!
(  64/161 ) DIRECTV.COM -- chan. (xmltv_id=FoxSportsTennessee.usa) -- mode Force
iinnnnn
Unable to update channel FoxSportsTennessee.usa
Generic syntax exception:
   message:
Current culture: en-GB
time parsing error : String was not recognized as a valid DateTime.
nextstartdatetime time scrubbed :
computer date/time format: 08/04/2018 09:33:08
Existing guide data restored!
(  64/161 ) DIRECTV.COM -- chan. (xmltv_id=FoxSportsWest.usa) -- mode Force
iinnn

(  65/161 ) DIRECTV.COM -- chan. (xmltv_id=FoxSportsWisconsin.usa) -- mode Force
iin
Unable to update channel FoxSportsWisconsin.usa
Generic syntax exception:
   message:
Current culture: en-GB
time parsing error : String was not recognized as a valid DateTime.
nextstartdatetime time scrubbed :
computer date/time format: 08/04/2018 09:33:15
Existing guide data restored!