Critical Environment Error (Flywheel)

I’ve tried migrating a couple sites from Flywheel to Siteground; some of them have worked and some haven’t. The most recent failure received the Critical Environment Error some other people have mentioned; here’s the log file:

[20-Feb-2019 20:11:39 UTC] INFO: Transfer started. Creating archives of files…
[20-Feb-2019 20:11:39 UTC] INFO: Updating transfer id.
[20-Feb-2019 20:11:39 UTC] INFO: Updating transfer psk.
[20-Feb-2019 20:11:44 UTC] INFO: Files archived, compressing the database..
[20-Feb-2019 20:11:44 UTC] INFO: Database successfully compressed. Creating transfer manifest…
[20-Feb-2019 20:11:44 UTC] INFO: Transfer manifest has been created. Sending request to SiteGround API …
[20-Feb-2019 20:11:45 UTC] INFO: Transfer request has been sent to SiteGround server.
[20-Feb-2019 20:11:51 UTC] INFO: Critical Environment Error
[20-Feb-2019 20:11:51 UTC] ERROR: Array
(
[type] => 1
[message] => Allowed memory size of 209715200 bytes exhausted (tried to allocate 72248053 bytes)
[file] => /www/wp-content/plugins/siteground-migrator/includes/class-siteground-migrator-files-service.php
[line] => 340
)

[20-Feb-2019 20:11:56 UTC] INFO: Critical Environment Error
[20-Feb-2019 20:11:56 UTC] ERROR: Array
(
[type] => 1
[message] => Allowed memory size of 209715200 bytes exhausted (tried to allocate 69925205 bytes)
[file] => /www/wp-content/plugins/siteground-migrator/includes/class-siteground-migrator-files-service.php
[line] => 340
)

[20-Feb-2019 20:17:20 UTC] INFO: Critical Environment Error
[20-Feb-2019 20:17:20 UTC] ERROR: Array
(
[type] => 1
[message] => Allowed memory size of 209715200 bytes exhausted (tried to allocate 72248053 bytes)
[file] => /www/wp-content/plugins/siteground-migrator/includes/class-siteground-migrator-files-service.php
[line] => 340
)

[20-Feb-2019 20:17:27 UTC] INFO: Critical Environment Error
[20-Feb-2019 20:17:27 UTC] ERROR: Array
(
[type] => 1
[message] => Allowed memory size of 209715200 bytes exhausted (tried to allocate 69925205 bytes)
[file] => /www/wp-content/plugins/siteground-migrator/includes/class-siteground-migrator-files-service.php
[line] => 340
)

[20-Feb-2019 20:22:43 UTC] INFO: Critical Environment Error
[20-Feb-2019 20:22:43 UTC] ERROR: Array
(
[type] => 1
[message] => Allowed memory size of 209715200 bytes exhausted (tried to allocate 72248053 bytes)
[file] => /www/wp-content/plugins/siteground-migrator/includes/class-siteground-migrator-files-service.php
[line] => 340
)

[20-Feb-2019 20:22:51 UTC] INFO: Critical Environment Error
[20-Feb-2019 20:22:51 UTC] ERROR: Array
(
[type] => 1
[message] => Allowed memory size of 209715200 bytes exhausted (tried to allocate 69925205 bytes)
[file] => /www/wp-content/plugins/siteground-migrator/includes/class-siteground-migrator-files-service.php
[line] => 340
)

Do we just need to bump the PHP memory limit for this particular site?