designator order for field 'xxx' does not match declaration order in 'yyy'

This error occurs when the "order of declared members" is not in the right order. I don't know the rules of this language enough, but it would appear there is a fixed order when you do an inline declaration: 

   

 This is correct, for example: 

 camera_config_t config = {

 .pin_pwdn = PWDN_GPIO_NUM,

 .pin_reset = RESET_GPIO_NUM,

 .pin_xclk = XCLK_GPIO_NUM,

....

 

   

 While this one (reset and pwdn are reversed) generates the error: 

   

 camera_config_t config = {

 .pin_reset = RESET_GPIO_NUM,

 .pin_pwdn = PWDN_GPIO_NUM,

 .pin_xclk = XCLK_GPIO_NUM,

 ....