When i try to read the Controller "stm32f103c8t6 ic "using "st link v2" i get the error like this, can any one please help me to resolve this error

[NO_ONE]

When i try one controller(stm32f103c8t6) its show details like this .When i connect other controller(stm32f103c8t6) its show the error like this. Please some one help to resolve this error.

[Ozone]

Does you application use sleep modes, re-purpose the JTAG/SWD pins, or activate readout protection ?

Try a mass erase.

[NO_ONE]

when i try to read first time its show the device id ,memory &ram After some time its show the error like this