To solve this issue go to distro.js file inside your source directory and find the code
“scriptId”: “customscript_ns_sca_deployer_2020_2_0”,
“deployId”: “customdeploy_ns_sca_deployer_2020_2_0”,
Replace the _2020_2_0 with the version that you are currently using(if you are using 21.2.0 replace the code as follows
“scriptId”: “customscript_ns_sca_deployer_2021_2_0”,
“deployId”: “customdeploy_ns_sca_deployer_2021_2_0”,