QB Issue Resolution:
Jobs (and customers) show the balance of all their sub jobs. If you have sub-jobs on this job, you may be seeing that.
If not, it may be that the value has gone off. The value shown in the list is cached – try running File->Utilities->Rebuild and it should rebuild it from the actual transactions.
Resolution for Issue 'Customer list doesn’t show correct amount for a particular job' available: Yes (Solved).
Source: Intuit Community forum.
Customer list doesn’t show correct amount for a particular job: 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 customer center
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