一个升级改造项目，老系统是PCS7 V6.0的，离线往V6.1升级编译时，报如下错误：

Compiling all charts as program 10G5AB01\416-3 DP\10G5AB01 on 12/12/2022 2:20:02 PM

The options are set as follows:

       Generate block drivers: on 

       Update sampling time: off 

       Delete empty runtime groups: off 

      Make textual interconnections: off

W: B16 TABLE SFC\RUN.APC COMP1.  006  Condition:  Left address:the parameter has a textual interconnection

W: B16 TABLE SFC\RUN.APC COMP2.  006  Condition:  Left address:the parameter has a textual interconnection

E: Parameter @(1).DP_master_syst_3.SZL_71 is not interconnected with a data source (block output, global address)

E: Parameter @(1).DP_master_syst_2.SZL_71 is not interconnected with a data source (block output, global address)

E: Parameter @(1).DP_master_syst_1.SZL_71 is not interconnected with a data source (block output, global address)

E: Parameter @(1).10G5AB01_1.SZL_71 is not interconnected with a data source (block output, global address)

E: Parameter @(1).DP_master_syst_3.SZL_71 is not interconnected with a data source (block output, global address)

E: Parameter @(1).DP_master_syst_2.SZL_71 is not interconnected with a data source (block output, global address)

E: Parameter @(1).DP_master_syst_1.SZL_71 is not interconnected with a data source (block output, global address)

E: Parameter @(1).10G5AB01_1.SZL_71 is not interconnected with a data source (block output, global address)

后面都是警告

求助：这8个是啥错误，咋解决？