Vivado HLS ERROR: [IMPL 213-28] IP生成失败

 ERROR: [IMPL 213-28] Failed to generate IP.

    
 command 'ap_source' returned error code
    
     while executing
    
 "source F:/VivadoHLS/LED_Twinkle2/solution1/export.tcl"
    
     invoked from within
    
 "hls::main F:/VivadoHLS/LED_Twinkle2/solution1/export.tcl"
    
     ("uplevel" body line 1)
    
     invoked from within
    
 "uplevel 1 hls::main {*}$args"
    
     (procedure "hls_proc" line 5)
    
     invoked from within
    
 "hls_proc $argv"