According to LR 11.52 PAM we are support only Flex-SDK-4.6.
You can try use LR 11.52 with Flex-SDK-3.1, but we are not guaranteed the correctness works, because this version is not supported.
According to LR 11.52 PAM we are support only Flex-SDK-4.6.
You can try use LR 11.52 with Flex-SDK-3.1, but we are not guaranteed the correctness works, because this version is not supported.