lost credit butt no code and server error

[ 3/6/2018 12:54:00 PM ] Checking Login and Password... OK
[ 3/6/2018 12:54:00 PM ] Ballance: 10 crd.
[ 3/6/2018 12:55:00 PM ] You have 10 credit(s) left. This operation takes 5 credits.Continue? Yes
[ 3/6/2018 12:55:00 PM ] Searching Samsung modem... detected COM137
[ 3/6/2018 12:55:00 PM ] Reading phone info... OK
[ 3/6/2018 12:55:00 PM ] Model: SM-A520F
[ 3/6/2018 12:55:00 PM ] AP version: A520FXXU2AQF6
[ 3/6/2018 12:55:00 PM ] CSC version: A520FFTM2AQG1
[ 3/6/2018 12:55:00 PM ] CP version: A520FXXU2AQF5
[ 3/6/2018 12:55:00 PM ] Product code: SM-A520FZIAFTM
[ 3/6/2018 12:55:00 PM ] Phone SN: R58JA0PL13B
[ 3/6/2018 12:55:00 PM ] Unique number: CBJ00D652EE4B94
[ 3/6/2018 12:55:00 PM ] Searching Samsung diag port... detected COM138
[ 3/6/2018 12:55:00 PM ] Reading phone info... OK
[ 3/6/2018 12:55:00 PM ] CP version: A520FXXU2AQF5
[ 3/6/2018 12:55:00 PM ] CP build: Jun 9 2017 13:52:16
[ 3/6/2018 12:55:00 PM ] Reading data from phone... OK
[ 3/6/2018 12:56:00 PM ] Calculating... OK
[ 3/6/2018 12:56:00 PM ] Searching server... error
[ 3/6/2018 1:01:00 PM ] could not connect to server
[ 3/6/2018 1:01:00 PM ]
[ 3/6/2018 1:03:00 PM ] Operation: Read Codes via Server
[ 3/6/2018 1:03:00 PM ] Selected model: SM-A520F
[ 3/6/2018 1:03:00 PM ] Software version: 30.8
[ 3/6/2018 1:03:00 PM ]
[ 3/6/2018 1:03:00 PM ] Checking Login and Password... could not connect to server
[ 3/6/2018 1:03:00 PM ] Checking Login and Password... could not connect to server
[ 3/6/2018 1:04:00 PM ] Checking Login and Password... could not connect to server
[ 3/6/2018 1:04:00 PM ] Checking Login and Password... OK
[ 3/6/2018 1:04:00 PM ] Ballance: 5 crd.
[ 3/6/2018 1:04:00 PM ] You have 5 credit(s) left. This operation takes 5 credits.Continue? No