Regarding stm32f030k6t6

I am doing programming with STlink V2 programmer for the controller stm32f030k6t6 and when I click on verify and programming then below data is showing:

15:09:18 : [InitiativeSpp.hex] opened successfully.
15:09:18 : [InitiativeSpp.hex] checksum : 0x000C3FBB 
15:09:43 : Can not connect to target!
                  Please select "Connect Under Reset" mode from Target->Settings menu and try again.
                  If you're trying to connect to a Discovery board, please select SWD mode from Target->Settings menu.
15:09:45 : No target connected
15:12:07 : ST-LINK SN : 31FF71064D55333914271543
15:12:07 : ST-LINK Firmware version : V2J29S7
15:12:07 : Connected via SWD.
15:12:07 : SWD Frequency = 4,0 MHz.
15:12:07 : Connection mode : Connect Under Reset.
15:12:07 : Debug in Low Power mode enabled.
15:12:07 : Device ID:0x444 
15:12:07 : Device flash Size : 32KBytes
15:12:07 : Device family :STM32F030x4/F030x6
15:12:14 : ST-LINK SN : 31FF71064D55333914271543
15:12:14 : ST-LINK Firmware version : V2J29S7
15:12:14 : Connected via SWD.
15:12:14 : SWD Frequency = 4,0 MHz.
15:12:14 : Connection mode : Connect Under Reset.
15:12:14 : Debug in Low Power mode enabled.
15:12:14 : Device ID:0x444 
15:12:14 : Device flash Size : 32KBytes
15:12:14 : Device family :STM32F030x4/F030x6
15:12:27 : No OnChip verification function found. Verify after programming will be performed.
15:12:27 : Unexpected error
15:12:27 : Error occured during program operation!
15:12:27 : Programming error @: 0x00000000

please help me.