aoc error: DSP Builder for Intel(R) FPGAs - Advanced Blocks for A10 fpga

[h=2][/h]I got a trouble when I use A10 FPGA to aoc my fft kernal . the error shown as :

Internal Error: DSP Builder for Intel(R) FPGAs - Advanced Blockset Internal Restriction: 'node' in dsdk::NodeValue::get at p4/ip/aion/src/dsdk/corevalues.cpp:1124.

Error: DSP Builder for Intel(R) FPGAs - Advanced Blockset Internal Restriction: 'node' in dsdk::NodeValue::get at p4/ip/aion/src/dsdk/corevalues.cpp:1124.

If you have encountered the same problem, or if you understand such problems, please enlighten. Thanks very much.