RF24L01 and EthernetShield: problems and partial solutions.

I am trying to work with a couple of RF24L01 radios:
one is mounted on a Uno and is the slave
one is mounted on a Mega+EthernetShield and is the master

I am using ManiacBugs libraries for the RF24.

The sketch for the Mega need the SoftSpi library because Spi is taken by the Shield.

Using these library RF24 and Ethernet works ...........

#include <SPI.h>
#include <Ethernet.h>
//#include  <SD.h>

#include <I2cConstants.h>
#include <nRF24L01.h>
#include <PinIO.h>
#include <RF24.h>
#include <RF24_config.h>
#include <SoftI2cMaster.h>
#include <SoftSPI.h>

But now I am trying to use also the SD library........
the sketch doesn't compile and give me this errors:

Arduino:1.6.5 (Windows 8.1), Scheda:"Arduino/Genuino Mega or Mega 2560, ATmega2560 (Mega 2560)"

In file included from d:UserspbeccOneDriveArduinolibrariesRF24Soft/SoftSPI.h:31:0,
                 from Test_Master_communication.ino:34:
d:UserspbeccOneDriveArduinolibrariesRF24Soft/DigitalPin.h:37:8: error: redefinition of 'struct pin_map_t'
 struct pin_map_t {
        ^
In file included from D:Program FilesArduinolibrariesSDsrc/utility/Sd2Card.h:26:0,
                 from D:Program FilesArduinolibrariesSDsrc/utility/SdFat.h:29,
                 from D:Program FilesArduinolibrariesSDsrc/SD.h:20,
                 from Test_Master_communication.ino:26:
D:Program FilesArduinolibrariesSDsrc/utility/Sd2PinMap.h:43:8: error: previous definition of 'struct pin_map_t'
 struct pin_map_t {
        ^
In file included from d:UserspbeccOneDriveArduinolibrariesRF24Soft/SoftSPI.h:31:0,
                 from Test_Master_communication.ino:34:
d:UserspbeccOneDriveArduinolibrariesRF24Soft/DigitalPin.h:309:22: error: redefinition of 'const uint8_t digitalPinCount'
 static const uint8_t digitalPinCount = sizeof(pinMap)/sizeof(pin_map_t);
                      ^
In file included from D:Program FilesArduinolibrariesSDsrc/utility/Sd2Card.h:26:0,
                 from D:Program FilesArduinolibrariesSDsrc/utility/SdFat.h:29,
                 from D:Program FilesArduinolibrariesSDsrc/SD.h:20,
                 from Test_Master_communication.ino:26:
D:Program FilesArduinolibrariesSDsrc/utility/Sd2PinMap.h:323:22: error: 'const uint8_t digitalPinCount' previously defined here
 static const uint8_t digitalPinCount = sizeof(digitalPinMap)/sizeof(pin_map_t);
                      ^
In file included from d:UserspbeccOneDriveArduinolibrariesRF24Soft/SoftSPI.h:31:0,
                 from Test_Master_communication.ino:34:
d:UserspbeccOneDriveArduinolibrariesRF24Soft/DigitalPin.h:313:69: error: new declaration 'void badPinNumber()'
   __attribute__((error("Pin number is too large or not a constant")));
                                                                     ^
In file included from D:Program FilesArduinolibrariesSDsrc/utility/Sd2Card.h:26:0,
                 from D:Program FilesArduinolibrariesSDsrc/utility/SdFat.h:29,
                 from D:Program FilesArduinolibrariesSDsrc/SD.h:20,
                 from Test_Master_communication.ino:26:
D:Program FilesArduinolibrariesSDsrc/utility/Sd2PinMap.h:325:9: error: ambiguates old declaration 'uint8_t badPinNumber()'
 uint8_t badPinNumber(void)
         ^
In file included from d:UserspbeccOneDriveArduinolibrariesRF24Soft/SoftSPI.h:31:0,
                 from Test_Master_communication.ino:34:
d:UserspbeccOneDriveArduinolibrariesRF24Soft/DigitalPin.h: In function 'bool fastDigitalRead(uint8_t)':
d:UserspbeccOneDriveArduinolibrariesRF24Soft/DigitalPin.h:352:33: error: new declaration 'bool fastDigitalRead(uint8_t)'
 bool fastDigitalRead(uint8_t pin) {
                                 ^
In file included from D:Program FilesArduinolibrariesSDsrc/utility/Sd2Card.h:26:0,
                 from D:Program FilesArduinolibrariesSDsrc/utility/SdFat.h:29,
                 from D:Program FilesArduinolibrariesSDsrc/SD.h:20,
                 from Test_Master_communication.ino:26:
D:Program FilesArduinolibrariesSDsrc/utility/Sd2PinMap.h:349:11: error: ambiguates old declaration 'uint8_t fastDigitalRead(uint8_t)'
   uint8_t fastDigitalRead(uint8_t pin) {
           ^
In file included from Test_Master_communication.ino:34:0:
d:UserspbeccOneDriveArduinolibrariesRF24Soft/SoftSPI.h: In member function 'void SoftSPI<MisoPin, MosiPin, SckPin, Mode>::sendBit(uint8_t, uint8_t)':
d:UserspbeccOneDriveArduinolibrariesRF24Soft/SoftSPI.h:134:48: error: call of overloaded 'fastDigitalWrite(unsigned char&, int&)' is ambiguous
     fastDigitalWrite(MosiPin, data & (1 << bit));
                                                ^
d:UserspbeccOneDriveArduinolibrariesRF24Soft/SoftSPI.h:134:48: note: candidates are:
In file included from D:Program FilesArduinolibrariesSDsrc/utility/Sd2Card.h:26:0,
                 from D:Program FilesArduinolibrariesSDsrc/utility/SdFat.h:29,
                 from D:Program FilesArduinolibrariesSDsrc/SD.h:20,
                 from Test_Master_communication.ino:26:
D:Program FilesArduinolibrariesSDsrc/utility/Sd2PinMap.h:357:8: note: void fastDigitalWrite(uint8_t, uint8_t)
   void fastDigitalWrite(uint8_t pin, uint8_t value) {
        ^
In file included from d:UserspbeccOneDriveArduinolibrariesRF24Soft/SoftSPI.h:31:0,
                 from Test_Master_communication.ino:34:
d:UserspbeccOneDriveArduinolibrariesRF24Soft/DigitalPin.h:380:6: note: void fastDigitalWrite(uint8_t, bool)
 void fastDigitalWrite(uint8_t pin, bool level) {
      ^
In file included from Test_Master_communication.ino:34:0:
d:UserspbeccOneDriveArduinolibrariesRF24Soft/SoftSPI.h: In member function 'void SoftSPI<MisoPin, MosiPin, SckPin, Mode>::transferBit(uint8_t, uint8_t*, uint8_t)':
d:UserspbeccOneDriveArduinolibrariesRF24Soft/SoftSPI.h:148:50: error: call of overloaded 'fastDigitalWrite(unsigned char&, int&)' is ambiguous
     fastDigitalWrite(MosiPin, txData & (1 << bit));
                                                  ^
d:UserspbeccOneDriveArduinolibrariesRF24Soft/SoftSPI.h:148:50: note: candidates are:
In file included from D:Program FilesArduinolibrariesSDsrc/utility/Sd2Card.h:26:0,
                 from D:Program FilesArduinolibrariesSDsrc/utility/SdFat.h:29,
                 from D:Program FilesArduinolibrariesSDsrc/SD.h:20,
                 from Test_Master_communication.ino:26:
D:Program FilesArduinolibrariesSDsrc/utility/Sd2PinMap.h:357:8: note: void fastDigitalWrite(uint8_t, uint8_t)
   void fastDigitalWrite(uint8_t pin, uint8_t value) {
        ^
In file included from d:UserspbeccOneDriveArduinolibrariesRF24Soft/SoftSPI.h:31:0,
                 from Test_Master_communication.ino:34:
d:UserspbeccOneDriveArduinolibrariesRF24Soft/DigitalPin.h:380:6: note: void fastDigitalWrite(uint8_t, bool)
 void fastDigitalWrite(uint8_t pin, bool level) {
      ^

I dont understand where is the error and what I can do to solve it.....

I will appreciate your help.....