How can we resolve this issue ? Deprecated Functionality: str_replace():

I’m trying to fix the error with this (return sprintf($path,str_replace('contents_', '', $content));) code but it’s not working. anyone have idea how we can resolve it?
Console error…

[2023-02-07T17:48:14.257774+00:00][INFO][mode: data][stage: data
migration][step: Map Step]: started
[2023-02-07T17:48:14.258237+00:00][INFO][mode: data][stage: data
migration][step: Map Step]: started 27% [=======>——————–]
Remaining Time: 1 hr In ErrorHandler.php line 62:
Deprecated Functionality: str_replace(): Passing null to parameter #3
($subject) of type array|string is deprecated in
E:xampp81htdocsm3vendormagentodata-migration-toolsrcMigrationHandlerPlaceholder.php
on line 65