"Compile Error" with "Sendsms"-sample sketch

Projects Programming
6

C:\Program Files\Arduino\hardware\tools\avr\bin\avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=156 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Program Files\Arduino\hardware\arduino\avr\cores\arduino -IC:\Program Files\Arduino\hardware\arduino\avr\variants\standard -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\utility C:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\GSM3MobileSMSProvider.cpp -o C:\Users\Hans\AppData\Local\Temp\build3007818881054503433.tmp\GSM\GSM3MobileSMSProvider.cpp.o
C:\Program Files\Arduino\hardware\tools\avr\bin\avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=156 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Program Files\Arduino\hardware\arduino\avr\cores\arduino -IC:\Program Files\Arduino\hardware\arduino\avr\variants\standard -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\utility C:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\GSM3MobileVoiceProvider.cpp -o C:\Users\Hans\AppData\Local\Temp\build3007818881054503433.tmp\GSM\GSM3MobileVoiceProvider.cpp.o
C:\Program Files\Arduino\hardware\tools\avr\bin\avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=156 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Program Files\Arduino\hardware\arduino\avr\cores\arduino -IC:\Program Files\Arduino\hardware\arduino\avr\variants\standard -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\utility C:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\GSM3ShieldV1.cpp -o C:\Users\Hans\AppData\Local\Temp\build3007818881054503433.tmp\GSM\GSM3ShieldV1.cpp.o
C:\Program Files\Arduino\hardware\tools\avr\bin\avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=156 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Program Files\Arduino\hardware\arduino\avr\cores\arduino -IC:\Program Files\Arduino\hardware\arduino\avr\variants\standard -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\utility C:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\GSM3ShieldV1AccessProvider.cpp -o C:\Users\Hans\AppData\Local\Temp\build3007818881054503433.tmp\GSM\GSM3ShieldV1AccessProvider.cpp.o
C:\Program Files\Arduino\hardware\tools\avr\bin\avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=156 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Program Files\Arduino\hardware\arduino\avr\cores\arduino -IC:\Program Files\Arduino\hardware\arduino\avr\variants\standard -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\utility C:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\GSM3ShieldV1BandManagement.cpp -o C:\Users\Hans\AppData\Local\Temp\build3007818881054503433.tmp\GSM\GSM3ShieldV1BandManagement.cpp.o
C:\Program Files\Arduino\hardware\tools\avr\bin\avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=156 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Program Files\Arduino\hardware\arduino\avr\cores\arduino -IC:\Program Files\Arduino\hardware\arduino\avr\variants\standard -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\utility C:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\GSM3ShieldV1BaseProvider.cpp -o C:\Users\Hans\AppData\Local\Temp\build3007818881054503433.tmp\GSM\GSM3ShieldV1BaseProvider.cpp.o
C:\Program Files\Arduino\hardware\tools\avr\bin\avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=156 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Program Files\Arduino\hardware\arduino\avr\cores\arduino -IC:\Program Files\Arduino\hardware\arduino\avr\variants\standard -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\utility C:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\GSM3ShieldV1CellManagement.cpp -o C:\Users\Hans\AppData\Local\Temp\build3007818881054503433.tmp\GSM\GSM3ShieldV1CellManagement.cpp.o
C:\Program Files\Arduino\hardware\tools\avr\bin\avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=156 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Program Files\Arduino\hardware\arduino\avr\cores\arduino -IC:\Program Files\Arduino\hardware\arduino\avr\variants\standard -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\utility C:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\GSM3ShieldV1ClientProvider.cpp -o C:\Users\Hans\AppData\Local\Temp\build3007818881054503433.tmp\GSM\GSM3ShieldV1ClientProvider.cpp.o
C:\Program Files\Arduino\hardware\tools\avr\bin\avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=156 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Program Files\Arduino\hardware\arduino\avr\cores\arduino -IC:\Program Files\Arduino\hardware\arduino\avr\variants\standard -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\utility C:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\GSM3ShieldV1DataNetworkProvider.cpp -o C:\Users\Hans\AppData\Local\Temp\build3007818881054503433.tmp\GSM\GSM3ShieldV1DataNetworkProvider.cpp.o
C:\Program Files\Arduino\hardware\tools\avr\bin\avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=156 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Program Files\Arduino\hardware\arduino\avr\cores\arduino -IC:\Program Files\Arduino\hardware\arduino\avr\variants\standard -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\utility C:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\GSM3ShieldV1DirectModemProvider.cpp -o C:\Users\Hans\AppData\Local\Temp\build3007818881054503433.tmp\GSM\GSM3ShieldV1DirectModemProvider.cpp.o
C:\Program Files\Arduino\hardware\tools\avr\bin\avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=156 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Program Files\Arduino\hardware\arduino\avr\cores\arduino -IC:\Program Files\Arduino\hardware\arduino\avr\variants\standard -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\utility C:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\GSM3ShieldV1ModemCore.cpp -o C:\Users\Hans\AppData\Local\Temp\build3007818881054503433.tmp\GSM\GSM3ShieldV1ModemCore.cpp.o
C:\Program Files\Arduino\hardware\tools\avr\bin\avr-g++ -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -MMD -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=156 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -IC:\Program Files\Arduino\hardware\arduino\avr\cores\arduino -IC:\Program Files\Arduino\hardware\arduino\avr\variants\standard -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM -IC:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\utility C:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\GSM3ShieldV1ModemVerification.cpp -o C:\Users\Hans\AppData\Local\Temp\build3007818881054503433.tmp\GSM\GSM3ShieldV1ModemVerification.cpp.o
C:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\GSM3ShieldV1ModemVerification.cpp: In member function 'String GSM3ShieldV1ModemVerification::getIMEI()':
C:\Program Files\Arduino\hardware\arduino\avr\libraries\GSM\GSM3ShieldV1ModemVerification.cpp:72: error: conversion from 'int' to 'String' is ambiguous
C:\Program Files\Arduino\hardware\arduino\avr\cores\arduino/WString.h:61: note: candidates are: String::String(const __FlashStringHelper*)
C:\Program Files\Arduino\hardware\arduino\avr\cores\arduino/WString.h:59: note: String::String(const char*)

More I cannot provide....(except : if I verify with a Mega-Board the same error occurs...)