using PHP functions no longer run

#### Investigative information

- Timestamp: 2018-07-11T16:31:59.212
- Function App version 1.0
- Function App name: EmailQueueTrigger
- Invocation ID: 6285e365-8c52-4d35-b19a-498f73367a2f
- Region: Canada East

#### Repro steps

Provide the steps required to reproduce the problem:

Running manually gives the following error

Running it from the function console it runs.
I created a blank function with printing just hello world and it has the same error

2018-07-11T16:34:03.538 [Info] Function started (Id=ce9025c1-a329-4aad-812d-5496a445b83d)
2018-07-11T16:34:03.554 [Error] Exception while executing function: Functions.EmailQueueTrigger. System: The system cannot find the file specified.
2018-07-11T16:34:03.570 [Error] Function completed (Failure, Id=ce9025c1-a329-4aad-812d-5496a445b83d, Duration=37ms)

#### Expected behavior

Provide a description of the expected behavior.
It ran until today, It was a problem in Canada Central, but worked in US West and Canada East and now today US West and Canada East have the same error.