Error of Compilation

Hi all,

I configured the parameters of the FFT IP provided by quartus for a Cyclone2 of ALTERA

DE2.

When i compile the .bdf, i have this:

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Internal Error: Sub-system: AMERGE, File: /quartus/atm/amerge/amerge_incr_tap.cpp, Line: 5260

atom_hierarchy != NULL

Stack Trace:

0x25195: AMERGE_MERGER_OP::create_signaltap_blackboxes + 0xa55 (atm_amerge)

0x1469e: AMERGE_MERGER_OP::merge_all_partitions + 0xbe (atm_amerge)

0x323a: amerge_combine_netlist + 0x25a (atm_amerge)

0x34d2: _amerge_mini_merge + 0x12 (atm_amerge)

0x143e8: QSYN_FRAMEWORK::do_mini_merge + 0x268 (quartus_map)

0x1a964: QSYN_FRAMEWORK::write_qic_databases + 0x8d4 (quartus_map)

0x1cd69: QSYN_FRAMEWORK::write_databases + 0x49 (quartus_map)

0xf2d3: qexe_get_command_line + 0x1523 (comp_qexe)

0x116b7: qexe_process_cmdline_arguments + 0x387 (comp_qexe)

0x117a4: qexe_standard_main + 0x84 (comp_qexe)

0x17ede: qsyn_main + 0x5e (quartus_map)

0x1b91: msg_main_thread + 0x11 (CCL_MSG)

0x1be8: _thr_final_wrapper + 0x8 (ccl_thr)

0x1b05: msg_thread_wrapper + 0x85 (CCL_MSG)

0x218a: mem_thread_wrapper + 0x4a (ccl_mem)

0x28a03: msg_exe_main + 0x63 (CCL_MSG)

0x1938c: _main + 0x1c (quartus_map)

0x24ab4: __ftol2 + 0x1ce (quartus_map)

0x51193: BaseThreadInitThunk + 0x11 (kernel32)

0x5b3f4: RtlInitializeExceptionChain + 0x62 (ntdll)

0x5b3c7: RtlInitializeExceptionChain + 0x35 (ntdll)

End-trace

Quartus II Version 11.0 Build 157 04/27/2011 SJ Web Edition

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I am using Quartus 11.0.

How can i solve it?

I really appreeciate your help.