Conditional fields not working after update

Hi, this form was working correctly – not sure which version exactly but since updated yesterday it stopped working. The form is as follows:

<label> First Name*
[text* FirstName] </label>

<label> Last Name*
[text* LastName] </label>

<label> Email address*
[email* Email]</label>

<label> Instrument group*
[select* Instrument “-Select-” “Violin” “Viola” “Cello” “Bass” “Flute” “Oboe” “Clarinet” “Bassoon” “Horn” “Trumpet” “Trombone” “Tuba” “Timpani” “Percussion”]</label>

<label> How will your instrument travel?*
[select* How “-Select-” “Cabin” “Hold” “Road”]</label>

[group flying]
<label> Dimensions of case
[text case placeholder "height x width x depth in cm"] </label>

<label> Total weight
[text weight placeholder "in kg"] </label>

[group flying2]
<label> Extra seat normally required on BA?
[select Seat “No” “Yes”]</label>

[/group]

[/group]

[group road]
<label>Please state the total value we need to insure
[number value] </label>

<label> Description of instrument(s)
[textarea Description placeholder “Please enter a full description of the instrument (and case/cover where relevant)- eg maker / model / serial number / description / distinguishing marks etc as relevant”] </label>

<label>Please upload up to three photos (jpg or tif, up to 4MB]</label>
[file photo1 limit:400000 filetypes:.jpg|.tif]
[file photo2 limit:400000 filetypes:.jpg|.tif]
[file photo3 limit:400000 filetypes:.jpg|.tif]
[/group]

[submit “Send”]

Have spent a long time looking and cannot see why there should be anything wrong. Hope you can help, many thanks, Jon

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