'Status code: 503' error while installing packages on Red Hat Satellite 6 Clients

Issue

• Unable to install package on a client system registered to Red Hat Satellite 6

• Command is failing with below error.

  <RPM Name> Status code: 503 for <Package URL>
  

  • For Example:

    [MIRROR] nodejs-12.14.1-1.module+el8.1.0+5466+30f75629.x86_64.rpm: Status code: 503 for https://satellite.example.com:443/streamer/var/lib/pulp/content/units/rpm/24/6a69a133760f1d35132a7b6b90871a879345e99966808df384b6aec6cbc38f/nodejs-12.14.1-1.module+el8.1.0+5466+30f75629.x86_64.rpm?policy=eyJleHRlbnNpb25zIjogeyJyZW1vdGVfaXAiOiAiMTcyLjIyLjY0LjYyIn0sICJyZXNvdXJjZSI6ICIvc3RyZWFtZXIvdmFyL2xpYi9wdWxwL2NvbnRlbnQvdW5pdHMvcnBtLzI0LzZhNjlhMTMzNzYwZjFkMzUxMzJhN2I2YjkwODcxYTg3OTM0NWU5OTk2NjgwOGRmMzg0YjZhZWM2Y2JjMzhmL25vZGVqcy0xMi4xNC4xLTEubW9kdWxlK2VsOC4xLjArNTQ2NiszMGY3NTYyOS54ODZfNjQucnBtIiwgImV4cGlyYXRpb24iOiAxNTgzMzUwMjM0fQ%3D%3D;signature=VAwqZ4LDzfMbJweJX943dbgo0ccoqkEeo6UpVMzcQcIXGUoknEfwuN5sJ2gBr_83vrQnLJGxifsTFv7hUvmZimsuhQqrr1MRGPZjtp-E-D3SwBsJF2J1vKKXg-DhB2X2IFka2onlFZmBkpHnOlEBsqOOPZUvFWHjkZsHJjxk6iTBa_L838RFg0F_CwPToFZqely2DQ48cHfxdxesVdeLKuz6mj681D99vrFSLWvfk-F3zRTwNvVbXMrOGzKmRdMaV0G5joiXT56HtBYh-n9audWy0w8E6iei5DCDYur6Tlq0wqPam2CJklRrzdPa3mdmm2H5x2jckSPe6YONfjDR6w%3D%3D
    [FAILED] nodejs-12.14.1-1.module+el8.1.0+5466+30f75629.x86_64.rpm: No more mirrors to try - All mirrors were already tried without success