QB Issue Resolution:
to unbuild an assembly item, bring up the build assembly screen, use the back arrow top left to cycle back to the build you want to delete, use menu edit>delete build when that build is on screen.
all parts used in the assembly item BOM will return to stock
Resolution for Issue 'Un Build Assembly' available: Yes (Solved).
Source: Intuit Community forum.
Un Build Assembly: this issue or error code is a known issue in Quickbooks Online (QBO) and/or Quickbooks. Support for this issue is available either by self-service or paid support options. Experts are available to resolve your Quickbooks issue to ensure minimal downtime and continue running your business. First try to resolve the issue yourself by looking for a resolution described below. If it is a complex issue or you are unable to solve the issue, you may contact us by clicking here or by using other support options.Support for back arrow
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Error Recovery for back arrow [Canada]
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